Import clang15

.gitignore

@@ -0,0 +1,5 @@
+/*.src.rpm
+/*.src.tar.xz
+/*.src.tar.xz.sig
+/cmake/
+/results_clang/

0001-Driver-Add-a-gcc-equivalent-triple-to-the-list-of-tr.patch

@@ -0,0 +1,59 @@
+From d68a5a7817dc0d43853d8b84c9185dc24338664f Mon Sep 17 00:00:00 2001
+From: Tom Stellard <tstellar@redhat.com>
+Date: Wed, 6 Oct 2021 05:32:44 +0000
+Subject: [PATCH] Driver: Add a gcc equivalent triple to the list of triples to
+ search
+
+There are some gcc triples, like x86_64-redhat-linux, that provide the
+same behavior as a clang triple with a similar name (e.g.
+x86_64-redhat-linux-gnu).  When searching for a gcc install, also search
+for a gcc equivalent triple if one exists.
+
+Differential Revision: https://reviews.llvm.org/D111207
+---
+ clang/lib/Driver/ToolChains/Gnu.cpp | 22 ++++++++++++++++++++++
+ 1 file changed, 22 insertions(+)
+
+diff --git a/clang/lib/Driver/ToolChains/Gnu.cpp b/clang/lib/Driver/ToolChains/Gnu.cpp
+index fe5bda5c6605..fd4a7f72be14 100644
+--- a/clang/lib/Driver/ToolChains/Gnu.cpp
++++ b/clang/lib/Driver/ToolChains/Gnu.cpp
+@@ -1884,6 +1884,18 @@ static llvm::StringRef getGCCToolchainDir(const ArgList &Args,
+   return GCC_INSTALL_PREFIX;
+ }
+ 
++/// This function takes a 'clang' triple and converts it to an equivalent gcc
++/// triple.
++static const char *ConvertToGccTriple(StringRef CandidateTriple) {
++  return llvm::StringSwitch<const char *>(CandidateTriple)
++      .Case("aarch64-redhat-linux-gnu", "aarch64-redhat-linux")
++      .Case("i686-redhat-linux-gnu", "i686-redhat-linux")
++      .Case("ppc64le-redhat-linux-gnu", "ppc64le-redhat-linux")
++      .Case("s390x-redhat-linux-gnu", "s390x-redhat-linux")
++      .Case("x86_64-redhat-linux-gnu", "x86_64-redhat-linux")
++      .Default(NULL);
++}
++
+ /// Initialize a GCCInstallationDetector from the driver.
+ ///
+ /// This performs all of the autodetection and sets up the various paths.
+@@ -1904,6 +1916,16 @@ void Generic_GCC::GCCInstallationDetector::init(
+   // The compatible GCC triples for this particular architecture.
+   SmallVector<StringRef, 16> CandidateTripleAliases;
+   SmallVector<StringRef, 16> CandidateBiarchTripleAliases;
++
++  // In some cases gcc uses a slightly different triple than clang for the
++  // same target.  Convert the clang triple to the gcc equivalent and use that
++  // to search for the gcc install.
++  const char *ConvertedTriple = ConvertToGccTriple(TargetTriple.str());
++  if (ConvertedTriple) {
++    CandidateTripleAliases.push_back(ConvertedTriple);
++    CandidateBiarchTripleAliases.push_back(ConvertedTriple);
++  }
++
+   CollectLibDirsAndTriples(TargetTriple, BiarchVariantTriple, CandidateLibDirs,
+                            CandidateTripleAliases, CandidateBiarchLibDirs,
+                            CandidateBiarchTripleAliases);
+-- 
+2.26.2
+

0001-Mark-fopenmp-implicit-rpath-as-NoArgumentUnused.patch

@@ -0,0 +1,29 @@
+From 537e325f180d3d82bbef64aac71efcb0256d6916 Mon Sep 17 00:00:00 2001
+From: Nikita Popov <npopov@redhat.com>
+Date: Fri, 2 Sep 2022 16:30:15 +0200
+Subject: [PATCH] Mark fopenmp-implicit-rpath as NoArgumentUnused
+
+We pass this option unconditionally in LDFLAGS, make sure this
+does not warn if openmp is not used, as this may break some
+build systems.
+---
+ clang/include/clang/Driver/Options.td | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/clang/include/clang/Driver/Options.td b/clang/include/clang/Driver/Options.td
+index d921ea5d5da9..d883fd3a8f04 100644
+--- a/clang/include/clang/Driver/Options.td
++++ b/clang/include/clang/Driver/Options.td
+@@ -4118,7 +4118,8 @@ defm openmp_implicit_rpath: BoolFOption<"openmp-implicit-rpath",
+   LangOpts<"OpenMP">,
+   DefaultTrue,
+   PosFlag<SetTrue, [], "Set rpath on OpenMP executables">,
+-  NegFlag<SetFalse>>;
++  NegFlag<SetFalse>,
++  BothFlags<[NoArgumentUnused]>>;
+ def r : Flag<["-"], "r">, Flags<[LinkerInput,NoArgumentUnused]>,
+         Group<Link_Group>;
+ def save_temps_EQ : Joined<["-", "--"], "save-temps=">, Flags<[CC1Option, FlangOption, NoXarchOption]>,
+-- 
+2.37.2
+

0001-PATCH-clang-Reorganize-gtest-integration.patch

@@ -0,0 +1,42 @@
+From c6b921c8d833546946b70a8c2640032fd7c62461 Mon Sep 17 00:00:00 2001
+From: serge-sans-paille <sguelton@redhat.com>
+Date: Thu, 25 Feb 2021 14:04:52 +0100
+Subject: [PATCH 1/6] [PATCH][clang] Reorganize gtest integration
+
+---
+ clang/CMakeLists.txt | 12 +++++-------
+ 1 file changed, 5 insertions(+), 7 deletions(-)
+
+diff --git a/clang/CMakeLists.txt b/clang/CMakeLists.txt
+index 9e74014..0185276 100644
+--- a/clang/CMakeLists.txt
++++ b/clang/CMakeLists.txt
+@@ -153,12 +153,6 @@ if( CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR )
+         set(LLVM_UTILS_PROVIDED ON)
+         set(CLANG_TEST_DEPS FileCheck count not)
+       endif()
+-      set(UNITTEST_DIR ${LLVM_MAIN_SRC_DIR}/utils/unittest)
+-      if(EXISTS ${UNITTEST_DIR}/googletest/include/gtest/gtest.h
+-          AND NOT EXISTS ${LLVM_LIBRARY_DIR}/${CMAKE_STATIC_LIBRARY_PREFIX}gtest${CMAKE_STATIC_LIBRARY_SUFFIX}
+-          AND EXISTS ${UNITTEST_DIR}/CMakeLists.txt)
+-        add_subdirectory(${UNITTEST_DIR} utils/unittest)
+-      endif()
+     else()
+       # Seek installed Lit.
+       find_program(LLVM_LIT
+@@ -537,7 +531,11 @@ endif()
+ 
+ 
+ if( CLANG_INCLUDE_TESTS )
+-  if(EXISTS ${LLVM_MAIN_SRC_DIR}/utils/unittest/googletest/include/gtest/gtest.h)
++  set(UNITTEST_DIR ${LLVM_MAIN_SRC_DIR}/utils/unittest)
++  if(EXISTS ${UNITTEST_DIR}/googletest/include/gtest/gtest.h
++      AND NOT EXISTS ${LLVM_LIBRARY_DIR}/${CMAKE_STATIC_LIBRARY_PREFIX}gtest${CMAKE_STATIC_LIBRARY_SUFFIX}
++      AND EXISTS ${UNITTEST_DIR}/CMakeLists.txt)
++    add_subdirectory(${UNITTEST_DIR} utils/unittest)
+     add_subdirectory(unittests)
+     list(APPEND CLANG_TEST_DEPS ClangUnitTests)
+     list(APPEND CLANG_TEST_PARAMS
+-- 
+1.8.3.1
+

0001-Take-into-account-Fedora-Specific-install-dir-for-li.patch

@@ -0,0 +1,45 @@
+From a85305a801c39720d7ec1c9441a88fef1ac19435 Mon Sep 17 00:00:00 2001
+From: serge-sans-paille <sguelton@redhat.com>
+Date: Fri, 9 Sep 2022 10:17:01 +0200
+Subject: [PATCH] Take into account Fedora Specific install dir for libunwind
+
+---
+ clang/lib/Driver/ToolChains/CommonArgs.cpp | 8 +++++++-
+ clang/test/Driver/linux-ld.c               | 2 +-
+ 2 files changed, 8 insertions(+), 2 deletions(-)
+
+diff --git a/clang/lib/Driver/ToolChains/CommonArgs.cpp b/clang/lib/Driver/ToolChains/CommonArgs.cpp
+index 443725f..c1401a6 100644
+--- a/clang/lib/Driver/ToolChains/CommonArgs.cpp
++++ b/clang/lib/Driver/ToolChains/CommonArgs.cpp
+@@ -1529,7 +1529,13 @@ static void AddUnwindLibrary(const ToolChain &TC, const Driver &D,
+       CmdArgs.push_back("-lgcc_s");
+     break;
+   }
+-  case ToolChain::UNW_CompilerRT:
++  case ToolChain::UNW_CompilerRT: {
++    SmallString<256> DefaultLibPath =
++        llvm::sys::path::parent_path(TC.getDriver().Dir);
++    llvm::sys::path::append(DefaultLibPath, Twine("lib") + CLANG_LIBDIR_SUFFIX);
++    CmdArgs.push_back(
++        strdup(("-L" + DefaultLibPath + "/llvm-unwind").str().c_str()));
++  }
+     if (TC.getTriple().isOSAIX()) {
+       // AIX only has libunwind as a shared library. So do not pass
+       // anything in if -static is specified.
+diff --git a/clang/test/Driver/linux-ld.c b/clang/test/Driver/linux-ld.c
+index e76b35d..dfb8eca 100644
+--- a/clang/test/Driver/linux-ld.c
++++ b/clang/test/Driver/linux-ld.c
+@@ -299,7 +299,7 @@
+ // RUN:     --sysroot=%S/Inputs/basic_linux_tree \
+ // RUN:   | FileCheck --check-prefix=CHECK-CLANG-ANDROID-STATIC %s
+ // CHECK-CLANG-ANDROID-STATIC: "{{.*}}ld{{(.exe)?}}" "--sysroot=[[SYSROOT:[^"]+]]"
+-// CHECK-CLANG-ANDROID-STATIC: "--start-group" "{{[^"]*}}{{/|\\\\}}libclang_rt.builtins-aarch64-android.a" "-l:libunwind.a" "-lc" "--end-group"
++// CHECK-CLANG-ANDROID-STATIC: "--start-group" "{{[^"]*}}{{/|\\\\}}libclang_rt.builtins-aarch64-android.a" "-L{{[^"]*}}{{/|\\\\}}llvm-unwind" "-l:libunwind.a" "-lc" "--end-group"
+ //
+ // RUN: %clang -### %s 2>&1      \
+ // RUN:     --target=x86_64-unknown-linux -rtlib=platform --unwindlib=platform \
+-- 
+1.8.3.1
+

0001-clang-Fix-interaction-between-asm-labels-and-inline-.patch

@@ -0,0 +1,74 @@
+From bc9aa904bf9d24e7f39a2a866ff6b463858b6ccb Mon Sep 17 00:00:00 2001
+From: serge-sans-paille <sguelton@redhat.com>
+Date: Wed, 21 Sep 2022 16:08:45 +0200
+Subject: [PATCH] [clang] Fix interaction between asm labels and inline
+ builtins
+
+One must pick the same name as the one referenced in CodeGenFunction when
+generating .inline version of an inline builtin, otherwise they are not
+correctly replaced.
+
+Differential Revision: https://reviews.llvm.org/D134362
+---
+ clang/lib/CodeGen/CGExpr.cpp                  |  5 ++-
+ .../test/CodeGen/asm-label-inline-builtins.c  | 32 +++++++++++++++++++
+ 2 files changed, 36 insertions(+), 1 deletion(-)
+ create mode 100644 clang/test/CodeGen/asm-label-inline-builtins.c
+
+diff --git a/clang/lib/CodeGen/CGExpr.cpp b/clang/lib/CodeGen/CGExpr.cpp
+index bf3dd812b9e8..a951d53423bf 100644
+--- a/clang/lib/CodeGen/CGExpr.cpp
++++ b/clang/lib/CodeGen/CGExpr.cpp
+@@ -5046,7 +5046,10 @@ static CGCallee EmitDirectCallee(CodeGenFunction &CGF, GlobalDecl GD) {
+   if (auto builtinID = FD->getBuiltinID()) {
+     std::string NoBuiltinFD = ("no-builtin-" + FD->getName()).str();
+     std::string NoBuiltins = "no-builtins";
+-    std::string FDInlineName = (FD->getName() + ".inline").str();
++
++    auto *A = FD->getAttr<AsmLabelAttr>();
++    StringRef Ident = A ? A->getLabel() : FD->getName();
++    std::string FDInlineName = (Ident + ".inline").str();
+ 
+     bool IsPredefinedLibFunction =
+         CGF.getContext().BuiltinInfo.isPredefinedLibFunction(builtinID);
+diff --git a/clang/test/CodeGen/asm-label-inline-builtins.c b/clang/test/CodeGen/asm-label-inline-builtins.c
+new file mode 100644
+index 000000000000..ab9afc29411d
+--- /dev/null
++++ b/clang/test/CodeGen/asm-label-inline-builtins.c
+@@ -0,0 +1,32 @@
++// RUN: %clang_cc1 -triple x86_64 -S -emit-llvm -disable-llvm-passes -o - %s | FileCheck %s
++//
++// Verifies that clang-generated *.inline carry the same name at call and callee
++// site, in spite of asm labels.
++
++typedef struct _IO_FILE FILE;
++extern FILE *stdout;
++extern int vprintf (const char *__restrict __format, __builtin_va_list __arg);
++extern int __vfprintf_chk (FILE *__restrict __stream, int __flag,
++      const char *__restrict __format, __builtin_va_list __ap);
++extern int __vprintf_chk (int __flag, const char *__restrict __format,
++     __builtin_va_list __ap);
++
++extern __typeof (vprintf) vprintf __asm ("__vprintfieee128");
++extern __typeof (__vfprintf_chk) __vfprintf_chk __asm ("__vfprintf_chkieee128");
++extern __typeof (__vprintf_chk) __vprintf_chk __asm ("__vprintf_chkieee128");
++
++extern __inline __attribute__ ((__always_inline__)) __attribute__ ((__gnu_inline__)) __attribute__ ((__artificial__)) int
++vprintf (const char *__restrict __fmt, __builtin_va_list __ap)
++{
++  return __vfprintf_chk (stdout, 2 - 1, __fmt, __ap);
++}
++
++void test(const char *fmt, __builtin_va_list ap) {
++  vprintf(fmt, ap);
++}
++
++// CHECK-LABEL: void @test(
++// CHECK: call i32 @__vprintfieee128.inline(
++//
++// CHECK-LABEL: internal i32 @__vprintfieee128.inline(
++// CHECK: call i32 @__vfprintf_chkieee128(
+-- 
+2.37.2
+

0001-clang-MinGW-Improve-extend-the-gcc-sysroot-detection.patch

@@ -0,0 +1,280 @@
+From efe3686d4a519b357cecb5aaf715f1e1b6f2d025 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Martin=20Storsj=C3=B6?= <martin@martin.st>
+Date: Tue, 22 Nov 2022 14:38:54 +0200
+Subject: [PATCH 1/2] [clang] [MinGW] Improve/extend the gcc/sysroot detection
+ logic
+
+There are three functions that try to detect the right implicit
+sysroot and libgcc directory setup to use
+- One which looks for mingw sysroots located in
+  <clangbin>/../<sysrootname>
+- One which looks for a mingw-targeting gcc executables in the PATH
+- One which looks in the <gccroot>/lib/gcc directory to find the
+  right one to use, and the right specific triple used for arch
+  specific directories in the gcc/libstdc++ install
+
+These have mostly tried to look for executables named
+"<arch>-w64-mingw32-gcc" or "mingw32-gcc" or subdirectories
+named "<arch>-w64-mingw32" or "mingw32".
+
+In the case of findClangRelativeSysroot, it also has looked
+for directories with the name of the actual triple. This
+was added in deff7536278d355977171726124f83aa4bb95419,
+with the intent of looking for a directory matching exactly
+the user provided literal triple - however the triple here
+is the normalized one, not the one provided by the user on
+the command line.
+
+Improve and unify this logic somewhat:
+- Always first look for things based on the literal triple
+  provided by the user.
+- Secondly look for things based on the normalized triple
+  (which usually ends up as e.g. x86_64-w64-windows-gnu),
+  accessed via the Triple which is passed to the constructor
+- Then look for the common triple form <arch>-w64-mingw32
+
+The literal triple provided by the user is available via
+Driver::getTargetTriple(), but computeTargetTriple() may
+change e.g. the architecture of it, so we need to
+reapply the effective architecture on the literal triple
+spelling from Driver::getTargetTriple().
+
+Do this consistently for all of findGcc, findClangRelativeSysroot
+and findGccLibDir (while keeping the existing plain "mingw32"
+cases in findGcc and findGccLibDir too).
+
+Fedora 37 started shipping mingw sysroots targeting UCRT,
+in addition to the traditional msvcrt.dll, and these use
+triples in the form <arch>-w64-mingw32ucrt - see
+https://fedoraproject.org/wiki/Changes/F37MingwUCRT.
+
+Thus, in addition to the existing default tested triples,
+try looking for triples in the form <arch>-w64-mingw32ucrt,
+to automatically find the UCRT sysroots on Fedora 37.
+By explicitly setting a specific target on the Clang command
+line, the user can be more explicit with which flavour is
+to be preferred.
+
+This should fix the main issue in
+https://github.com/llvm/llvm-project/issues/59001.
+
+Differential Revision: https://reviews.llvm.org/D138692
+---
+ clang/lib/Driver/ToolChains/MinGW.cpp         | 68 ++++++++++++++-----
+ clang/lib/Driver/ToolChains/MinGW.h           |  2 +-
+ .../12.2.1/include-fixed/.keep                |  0
+ .../sys-root/mingw/include/.keep              |  0
+ .../sys-root/mingw/include/c++/backward/.keep |  0
+ .../include/c++/x86_64-w64-mingw32ucrt/.keep  |  0
+ clang/test/Driver/mingw-sysroot.cpp           | 13 ++++
+ clang/test/Driver/mingw.cpp                   |  4 ++
+ 8 files changed, 68 insertions(+), 19 deletions(-)
+ create mode 100644 clang/test/Driver/Inputs/mingw_fedora_tree/usr/lib/gcc/x86_64-w64-mingw32ucrt/12.2.1/include-fixed/.keep
+ create mode 100644 clang/test/Driver/Inputs/mingw_fedora_tree/usr/x86_64-w64-mingw32ucrt/sys-root/mingw/include/.keep
+ create mode 100644 clang/test/Driver/Inputs/mingw_fedora_tree/usr/x86_64-w64-mingw32ucrt/sys-root/mingw/include/c++/backward/.keep
+ create mode 100644 clang/test/Driver/Inputs/mingw_fedora_tree/usr/x86_64-w64-mingw32ucrt/sys-root/mingw/include/c++/x86_64-w64-mingw32ucrt/.keep
+
+diff --git a/clang/lib/Driver/ToolChains/MinGW.cpp b/clang/lib/Driver/ToolChains/MinGW.cpp
+index ae7c4c56bf9e..0ebacea6e87f 100644
+--- a/clang/lib/Driver/ToolChains/MinGW.cpp
++++ b/clang/lib/Driver/ToolChains/MinGW.cpp
+@@ -359,13 +359,26 @@ static bool findGccVersion(StringRef LibDir, std::string &GccLibDir,
+   return Ver.size();
+ }
+ 
+-void toolchains::MinGW::findGccLibDir() {
+-  llvm::SmallVector<llvm::SmallString<32>, 2> SubdirNames;
++static llvm::Triple getLiteralTriple(const Driver &D, const llvm::Triple &T) {
++  llvm::Triple LiteralTriple(D.getTargetTriple());
++  // The arch portion of the triple may be overridden by -m32/-m64.
++  LiteralTriple.setArchName(T.getArchName());
++  return LiteralTriple;
++}
++
++void toolchains::MinGW::findGccLibDir(const llvm::Triple &LiteralTriple) {
++  llvm::SmallVector<llvm::SmallString<32>, 5> SubdirNames;
++  SubdirNames.emplace_back(LiteralTriple.str());
++  SubdirNames.emplace_back(getTriple().str());
+   SubdirNames.emplace_back(getTriple().getArchName());
+-  SubdirNames[0] += "-w64-mingw32";
++  SubdirNames.back() += "-w64-mingw32";
++  SubdirNames.emplace_back(getTriple().getArchName());
++  SubdirNames.back() += "-w64-mingw32ucrt";
+   SubdirNames.emplace_back("mingw32");
+-  if (SubdirName.empty())
+-    SubdirName = std::string(SubdirNames[0].str());
++  if (SubdirName.empty()) {
++    SubdirName = getTriple().getArchName();
++    SubdirName += "-w64-mingw32";
++  }
+   // lib: Arch Linux, Ubuntu, Windows
+   // lib64: openSUSE Linux
+   for (StringRef CandidateLib : {"lib", "lib64"}) {
+@@ -380,10 +393,17 @@ void toolchains::MinGW::findGccLibDir() {
+   }
+ }
+ 
+-static llvm::ErrorOr<std::string> findGcc(const llvm::Triple &T) {
+-  llvm::SmallVector<llvm::SmallString<32>, 2> Gccs;
++static llvm::ErrorOr<std::string> findGcc(const llvm::Triple &LiteralTriple,
++                                          const llvm::Triple &T) {
++  llvm::SmallVector<llvm::SmallString<32>, 5> Gccs;
++  Gccs.emplace_back(LiteralTriple.str());
++  Gccs.back() += "-gcc";
++  Gccs.emplace_back(T.str());
++  Gccs.back() += "-gcc";
+   Gccs.emplace_back(T.getArchName());
+-  Gccs[0] += "-w64-mingw32-gcc";
++  Gccs.back() += "-w64-mingw32-gcc";
++  Gccs.emplace_back(T.getArchName());
++  Gccs.back() += "-w64-mingw32ucrt-gcc";
+   Gccs.emplace_back("mingw32-gcc");
+   // Please do not add "gcc" here
+   for (StringRef CandidateGcc : Gccs)
+@@ -393,12 +413,15 @@ static llvm::ErrorOr<std::string> findGcc(const llvm::Triple &T) {
+ }
+ 
+ static llvm::ErrorOr<std::string>
+-findClangRelativeSysroot(const Driver &D, const llvm::Triple &T,
+-                         std::string &SubdirName) {
+-  llvm::SmallVector<llvm::SmallString<32>, 2> Subdirs;
++findClangRelativeSysroot(const Driver &D, const llvm::Triple &LiteralTriple,
++                         const llvm::Triple &T, std::string &SubdirName) {
++  llvm::SmallVector<llvm::SmallString<32>, 4> Subdirs;
++  Subdirs.emplace_back(LiteralTriple.str());
+   Subdirs.emplace_back(T.str());
+   Subdirs.emplace_back(T.getArchName());
+-  Subdirs[1] += "-w64-mingw32";
++  Subdirs.back() += "-w64-mingw32";
++  Subdirs.emplace_back(T.getArchName());
++  Subdirs.back() += "-w64-mingw32ucrt";
+   StringRef ClangRoot = llvm::sys::path::parent_path(D.getInstalledDir());
+   StringRef Sep = llvm::sys::path::get_separator();
+   for (StringRef CandidateSubdir : Subdirs) {
+@@ -418,14 +441,16 @@ toolchains::MinGW::MinGW(const Driver &D, const llvm::Triple &Triple,
+ 
+   // The sequence for detecting a sysroot here should be kept in sync with
+   // the testTriple function below.
++  llvm::Triple LiteralTriple = getLiteralTriple(D, getTriple());
+   if (getDriver().SysRoot.size())
+     Base = getDriver().SysRoot;
+   // Look for <clang-bin>/../<triplet>; if found, use <clang-bin>/.. as the
+   // base as it could still be a base for a gcc setup with libgcc.
+-  else if (llvm::ErrorOr<std::string> TargetSubdir =
+-               findClangRelativeSysroot(getDriver(), getTriple(), SubdirName))
++  else if (llvm::ErrorOr<std::string> TargetSubdir = findClangRelativeSysroot(
++               getDriver(), LiteralTriple, getTriple(), SubdirName))
+     Base = std::string(llvm::sys::path::parent_path(TargetSubdir.get()));
+-  else if (llvm::ErrorOr<std::string> GPPName = findGcc(getTriple()))
++  else if (llvm::ErrorOr<std::string> GPPName =
++               findGcc(LiteralTriple, getTriple()))
+     Base = std::string(llvm::sys::path::parent_path(
+         llvm::sys::path::parent_path(GPPName.get())));
+   else
+@@ -433,7 +458,7 @@ toolchains::MinGW::MinGW(const Driver &D, const llvm::Triple &Triple,
+         llvm::sys::path::parent_path(getDriver().getInstalledDir()));
+ 
+   Base += llvm::sys::path::get_separator();
+-  findGccLibDir();
++  findGccLibDir(LiteralTriple);
+   // GccLibDir must precede Base/lib so that the
+   // correct crtbegin.o ,cetend.o would be found.
+   getFilePaths().push_back(GccLibDir);
+@@ -576,6 +601,12 @@ void toolchains::MinGW::printVerboseInfo(raw_ostream &OS) const {
+ // /usr/include/c++/4.8/backward
+ // /usr/x86_64-w64-mingw32/include
+ 
++// Fedora
++// /usr/x86_64-w64-mingw32ucrt/sys-root/mingw/include/c++/x86_64-w64-mingw32ucrt
++// /usr/x86_64-w64-mingw32ucrt/sys-root/mingw/include/c++/backward
++// /usr/x86_64-w64-mingw32ucrt/sys-root/mingw/include
++// /usr/lib/gcc/x86_64-w64-mingw32ucrt/12.2.1/include-fixed
++
+ void toolchains::MinGW::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
+                                                   ArgStringList &CC1Args) const {
+   if (DriverArgs.hasArg(options::OPT_nostdinc))
+@@ -667,10 +698,11 @@ static bool testTriple(const Driver &D, const llvm::Triple &Triple,
+   std::string SubdirName;
+   if (D.SysRoot.size())
+     return true;
++  llvm::Triple LiteralTriple = getLiteralTriple(D, Triple);
+   if (llvm::ErrorOr<std::string> TargetSubdir =
+-          findClangRelativeSysroot(D, Triple, SubdirName))
++          findClangRelativeSysroot(D, LiteralTriple, Triple, SubdirName))
+     return true;
+-  if (llvm::ErrorOr<std::string> GPPName = findGcc(Triple))
++  if (llvm::ErrorOr<std::string> GPPName = findGcc(LiteralTriple, Triple))
+     return true;
+   // If we neither found a colocated sysroot or a matching gcc executable,
+   // conclude that we can't know if this is the correct spelling of the triple.
+diff --git a/clang/lib/Driver/ToolChains/MinGW.h b/clang/lib/Driver/ToolChains/MinGW.h
+index f15f99dc8a8c..bc17d273e776 100644
+--- a/clang/lib/Driver/ToolChains/MinGW.h
++++ b/clang/lib/Driver/ToolChains/MinGW.h
+@@ -108,7 +108,7 @@ private:
+   std::string SubdirName;
+   mutable std::unique_ptr<tools::gcc::Preprocessor> Preprocessor;
+   mutable std::unique_ptr<tools::gcc::Compiler> Compiler;
+-  void findGccLibDir();
++  void findGccLibDir(const llvm::Triple &LiteralTriple);
+ 
+   bool NativeLLVMSupport;
+ };
+diff --git a/clang/test/Driver/Inputs/mingw_fedora_tree/usr/lib/gcc/x86_64-w64-mingw32ucrt/12.2.1/include-fixed/.keep b/clang/test/Driver/Inputs/mingw_fedora_tree/usr/lib/gcc/x86_64-w64-mingw32ucrt/12.2.1/include-fixed/.keep
+new file mode 100644
+index 000000000000..e69de29bb2d1
+diff --git a/clang/test/Driver/Inputs/mingw_fedora_tree/usr/x86_64-w64-mingw32ucrt/sys-root/mingw/include/.keep b/clang/test/Driver/Inputs/mingw_fedora_tree/usr/x86_64-w64-mingw32ucrt/sys-root/mingw/include/.keep
+new file mode 100644
+index 000000000000..e69de29bb2d1
+diff --git a/clang/test/Driver/Inputs/mingw_fedora_tree/usr/x86_64-w64-mingw32ucrt/sys-root/mingw/include/c++/backward/.keep b/clang/test/Driver/Inputs/mingw_fedora_tree/usr/x86_64-w64-mingw32ucrt/sys-root/mingw/include/c++/backward/.keep
+new file mode 100644
+index 000000000000..e69de29bb2d1
+diff --git a/clang/test/Driver/Inputs/mingw_fedora_tree/usr/x86_64-w64-mingw32ucrt/sys-root/mingw/include/c++/x86_64-w64-mingw32ucrt/.keep b/clang/test/Driver/Inputs/mingw_fedora_tree/usr/x86_64-w64-mingw32ucrt/sys-root/mingw/include/c++/x86_64-w64-mingw32ucrt/.keep
+new file mode 100644
+index 000000000000..e69de29bb2d1
+diff --git a/clang/test/Driver/mingw-sysroot.cpp b/clang/test/Driver/mingw-sysroot.cpp
+index 1cb51b3aea2d..985be9e5f2ac 100644
+--- a/clang/test/Driver/mingw-sysroot.cpp
++++ b/clang/test/Driver/mingw-sysroot.cpp
+@@ -14,6 +14,11 @@
+ // RUN: ln -s %S/Inputs/mingw_ubuntu_posix_tree/usr/x86_64-w64-mingw32 %T/testroot-clang/x86_64-w64-mingw32
+ // RUN: ln -s %S/Inputs/mingw_arch_tree/usr/i686-w64-mingw32 %T/testroot-clang/i686-w64-mingw32
+ 
++// RUN: rm -rf %T/testroot-custom-triple
++// RUN: mkdir -p %T/testroot-custom-triple/bin
++// RUN: ln -s %clang %T/testroot-custom-triple/bin/x86_64-w64-mingw32foo-clang
++// RUN: ln -s %clang %T/testroot-custom-triple/bin/clang
++// RUN: ln -s %S/Inputs/mingw_ubuntu_posix_tree/usr/x86_64-w64-mingw32 %T/testroot-custom-triple/x86_64-w64-mingw32foo
+ 
+ // If we find a gcc in the path with the right triplet prefix, pick that as
+ // sysroot:
+@@ -51,3 +56,11 @@
+ 
+ // RUN: env "PATH=%T/testroot-gcc/bin:%PATH%" %T/testroot-clang/bin/x86_64-w64-mingw32-clang --target=x86_64-w64-mingw32 -m32 -rtlib=compiler-rt -stdlib=libstdc++ --sysroot="" -c -### %s 2>&1 | FileCheck -check-prefix=CHECK_TESTROOT_CLANG_I686 %s
+ // CHECK_TESTROOT_CLANG_I686: "{{[^"]+}}/testroot-clang{{/|\\\\}}i686-w64-mingw32{{/|\\\\}}include"
++
++
++// If the user calls clang with a custom literal triple, make sure this maps
++// to sysroots with the matching spelling.
++
++// RUN: %T/testroot-custom-triple/bin/x86_64-w64-mingw32foo-clang -rtlib=compiler-rt -stdlib=libstdc++ --sysroot="" -c -### %s 2>&1 | FileCheck -check-prefix=CHECK_TESTROOT_CUSTOM_TRIPLE %s
++// RUN: %T/testroot-custom-triple/bin/clang --target=x86_64-w64-mingw32foo -rtlib=compiler-rt -stdlib=libstdc++ --sysroot="" -c -### %s 2>&1 | FileCheck -check-prefix=CHECK_TESTROOT_CUSTOM_TRIPLE %s
++// CHECK_TESTROOT_CUSTOM_TRIPLE: "{{[^"]+}}/testroot-custom-triple{{/|\\\\}}x86_64-w64-mingw32foo{{/|\\\\}}include"
+diff --git a/clang/test/Driver/mingw.cpp b/clang/test/Driver/mingw.cpp
+index b37503e475d8..bde952fb3565 100644
+--- a/clang/test/Driver/mingw.cpp
++++ b/clang/test/Driver/mingw.cpp
+@@ -39,6 +39,10 @@
+ // CHECK_MINGW_OPENSUSE_TREE: "[[BASE]]/Inputs/mingw_opensuse_tree/usr{{/|\\\\}}x86_64-w64-mingw32/sys-root/mingw/include"
+ 
+ 
++// RUN: %clang -target x86_64-pc-windows-gnu -rtlib=platform -stdlib=libstdc++ -c -### --sysroot=%S/Inputs/mingw_fedora_tree/usr %s 2>&1 | FileCheck -check-prefix=CHECK_MINGW_FEDORA_TREE %s
++// CHECK_MINGW_FEDORA_TREE: "[[BASE:[^"]+]]/Inputs/mingw_fedora_tree/usr{{/|\\\\}}x86_64-w64-mingw32ucrt/sys-root/mingw/include"
++
++
+ // RUN: %clang -target i686-pc-windows-gnu -rtlib=platform -stdlib=libstdc++ -c -### --sysroot=%S/Inputs/mingw_arch_tree/usr %s 2>&1 | FileCheck -check-prefix=CHECK_MINGW_ARCH_TREE %s
+ // CHECK_MINGW_ARCH_TREE: "[[BASE:[^"]+]]/Inputs/mingw_arch_tree/usr{{/|\\\\}}i686-w64-mingw32{{/|\\\\}}include{{/|\\\\}}c++{{/|\\\\}}5.1.0"
+ // CHECK_MINGW_ARCH_TREE: "[[BASE]]/Inputs/mingw_arch_tree/usr{{/|\\\\}}i686-w64-mingw32{{/|\\\\}}include{{/|\\\\}}c++{{/|\\\\}}5.1.0{{/|\\\\}}i686-w64-mingw32"
+-- 
+2.38.1
+

0001-clang-tools-extra-Make-test-dependency-on-LLVMHello-.patch

@@ -0,0 +1,82 @@
+From 581300e447602b9b7a505b0f07e8461d58d041ca Mon Sep 17 00:00:00 2001
+From: Tom Stellard <tstellar@redhat.com>
+Date: Fri, 1 Jul 2022 21:24:17 -0700
+Subject: [PATCH] clang-tools-extra: Make test dependency on LLVMHello optional
+
+This fixes clang + clang-tools-extra standalone build after
+36892727e4f19a60778e371d78f8fb09d8122c85.
+---
+ clang-tools-extra/test/CMakeLists.txt                  | 10 +++++++++-
+ clang-tools-extra/test/clang-tidy/CTTestTidyModule.cpp |  2 +-
+ clang-tools-extra/test/lit.cfg.py                      |  3 +++
+ clang-tools-extra/test/lit.site.cfg.py.in              |  1 +
+ 4 files changed, 14 insertions(+), 2 deletions(-)
+
+diff --git a/clang-tools-extra/test/CMakeLists.txt b/clang-tools-extra/test/CMakeLists.txt
+index f4c529ee8af2..1cfb4dd529aa 100644
+--- a/clang-tools-extra/test/CMakeLists.txt
++++ b/clang-tools-extra/test/CMakeLists.txt
+@@ -7,10 +7,15 @@
+ set(CLANG_TOOLS_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/..")
+ set(CLANG_TOOLS_BINARY_DIR "${CMAKE_CURRENT_BINARY_DIR}/..")
+ 
++if (TARGET LLVMHello)
++  set (LLVM_HAS_LLVM_HELLO 1)
++endif()
++
+ llvm_canonicalize_cmake_booleans(
+   CLANG_TIDY_ENABLE_STATIC_ANALYZER
+   CLANG_PLUGIN_SUPPORT
+   LLVM_INSTALL_TOOLCHAIN_ONLY
++  LLVM_HAS_LLVM_HELLO
+   )
+ 
+ configure_lit_site_cfg(
+@@ -86,7 +91,10 @@ if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
+   endif()
+ 
+   if(TARGET CTTestTidyModule)
+-      list(APPEND CLANG_TOOLS_TEST_DEPS CTTestTidyModule LLVMHello)
++      list(APPEND CLANG_TOOLS_TEST_DEPS CTTestTidyModule)
++      if (TARGET  LLVMHello)
++        list(APPEND CLANG_TOOLS_TEST_DEPS CTTestTidyModule)
++      endif()
+       target_include_directories(CTTestTidyModule PUBLIC BEFORE "${CLANG_TOOLS_SOURCE_DIR}")
+       if(CLANG_PLUGIN_SUPPORT AND (WIN32 OR CYGWIN))
+         set(LLVM_LINK_COMPONENTS
+diff --git a/clang-tools-extra/test/clang-tidy/CTTestTidyModule.cpp b/clang-tools-extra/test/clang-tidy/CTTestTidyModule.cpp
+index c66a94f458cf..b4e7a5d691e5 100644
+--- a/clang-tools-extra/test/clang-tidy/CTTestTidyModule.cpp
++++ b/clang-tools-extra/test/clang-tidy/CTTestTidyModule.cpp
+@@ -1,4 +1,4 @@
+-// REQUIRES: plugins
++// REQUIRES: plugins, llvm-hello
+ // RUN: clang-tidy -checks='-*,mytest*' --list-checks -load %llvmshlibdir/CTTestTidyModule%pluginext -load %llvmshlibdir/LLVMHello%pluginext | FileCheck --check-prefix=CHECK-LIST %s
+ // CHECK-LIST: Enabled checks:
+ // CHECK-LIST-NEXT:    mytest1
+diff --git a/clang-tools-extra/test/lit.cfg.py b/clang-tools-extra/test/lit.cfg.py
+index 9b99bfd93440..3fca9f25fb48 100644
+--- a/clang-tools-extra/test/lit.cfg.py
++++ b/clang-tools-extra/test/lit.cfg.py
+@@ -59,3 +59,6 @@ config.substitutions.append(
+ # Plugins (loadable modules)
+ if config.has_plugins and config.llvm_plugin_ext:
+     config.available_features.add('plugins')
++
++if config.has_llvm_hello:
++    config.available_features.add("llvm-hello")
+diff --git a/clang-tools-extra/test/lit.site.cfg.py.in b/clang-tools-extra/test/lit.site.cfg.py.in
+index 4eb830a1baf1..6e5559348454 100644
+--- a/clang-tools-extra/test/lit.site.cfg.py.in
++++ b/clang-tools-extra/test/lit.site.cfg.py.in
+@@ -11,6 +11,7 @@ config.target_triple = "@LLVM_TARGET_TRIPLE@"
+ config.host_triple = "@LLVM_HOST_TRIPLE@"
+ config.clang_tidy_staticanalyzer = @CLANG_TIDY_ENABLE_STATIC_ANALYZER@
+ config.has_plugins = @CLANG_PLUGIN_SUPPORT@ & ~@LLVM_INSTALL_TOOLCHAIN_ONLY@
++config.has_llvm_hello = @LLVM_HAS_LLVM_HELLO@
+ # Support substitution of the tools and libs dirs with user parameters. This is
+ # used when we can't determine the tool dir at configuration time.
+ config.llvm_tools_dir = lit_config.substitute("@LLVM_TOOLS_DIR@")
+-- 
+2.27.0
+

0002-clang-MinGW-Improve-detection-of-libstdc-headers-on-.patch

@@ -0,0 +1,139 @@
+From d3b79c2950d590cb272648f1c6a9dd7646f57beb Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Martin=20Storsj=C3=B6?= <martin@martin.st>
+Date: Tue, 22 Nov 2022 14:39:39 +0200
+Subject: [PATCH 2/2] [clang] [MinGW] Improve detection of libstdc++ headers on
+ Fedora
+
+There's some variation in where different toolchain distributions
+(and linux distributions) package the mingw sysroots - this is
+so far handled by adding specific known subdirectory paths
+to the include and lib directory lists.
+
+There are multiple degrees of combinatorics involved here though;
+the distros may use different locations such as
+/usr/x86_64-w64-mingw32/include or
+/usr/x86_64-w64-mingw32/sys-root/mingw/include.
+
+So far, this setup has been treated as base=/usr, subdir=x86_64-w64-mingw32,
+and the driver tries to add further subdirectories such as
+<base>/<subdir>/include, <base>/<subdir>/sys-root/mingw/include.
+
+When it comes to libstdc++ (and libc++), each of these come with
+a large number of potential subdirectories. Instead of further
+exploding the combinatorics another step by adding all combinations
+of all paths, check whether <base>/<subdir>/sys-root/mingw/include
+exists, and if it does, append that subpath into the subdir variable.
+
+This allows finding libstdc++ headers in e.g.
+/usr/x86_64-w64-mingw32/sys-root/mingw/include/c++/x86_64-w64-mingw32
+on Fedora.
+
+The same logic (where everything belonging to this target fits
+under one expanded <subdir> path, with just /include and /lib
+under it) doesn't seem to apply on Gentoo, where the includes
+are found in <base>/<subdir>/usr/include while the libraries
+are in <base>/<subdir>/mingw/lib (see
+8e218026f8d5eabfdef9141ae5e26aa91d1933e6). But apparently
+the libstdc++ headers aren't installed under
+<base>/<subdir>/usr/include, so that path hierarchy quirk doesn't
+need to be taken into account in AddClangCXXStdlibIncludeArgs.
+
+Differential Revision: https://reviews.llvm.org/D138693
+---
+ clang/lib/Driver/ToolChains/MinGW.cpp | 19 +++++++++----------
+ clang/lib/Driver/ToolChains/MinGW.h   |  1 +
+ clang/test/Driver/mingw.cpp           |  5 ++++-
+ 3 files changed, 14 insertions(+), 11 deletions(-)
+
+diff --git a/clang/lib/Driver/ToolChains/MinGW.cpp b/clang/lib/Driver/ToolChains/MinGW.cpp
+index 0ebacea6e87f..2a9bf4b18f19 100644
+--- a/clang/lib/Driver/ToolChains/MinGW.cpp
++++ b/clang/lib/Driver/ToolChains/MinGW.cpp
+@@ -376,7 +376,7 @@ void toolchains::MinGW::findGccLibDir(const llvm::Triple &LiteralTriple) {
+   SubdirNames.back() += "-w64-mingw32ucrt";
+   SubdirNames.emplace_back("mingw32");
+   if (SubdirName.empty()) {
+-    SubdirName = getTriple().getArchName();
++    SubdirName = getTriple().getArchName().str();
+     SubdirName += "-w64-mingw32";
+   }
+   // lib: Arch Linux, Ubuntu, Windows
+@@ -459,9 +459,16 @@ toolchains::MinGW::MinGW(const Driver &D, const llvm::Triple &Triple,
+ 
+   Base += llvm::sys::path::get_separator();
+   findGccLibDir(LiteralTriple);
++  TripleDirName = SubdirName;
+   // GccLibDir must precede Base/lib so that the
+   // correct crtbegin.o ,cetend.o would be found.
+   getFilePaths().push_back(GccLibDir);
++
++  // openSUSE/Fedora
++  std::string CandidateSubdir = SubdirName + "/sys-root/mingw";
++  if (getDriver().getVFS().exists(Base + CandidateSubdir))
++    SubdirName = CandidateSubdir;
++
+   getFilePaths().push_back(
+       (Base + SubdirName + llvm::sys::path::get_separator() + "lib").str());
+ 
+@@ -470,8 +477,6 @@ toolchains::MinGW::MinGW(const Driver &D, const llvm::Triple &Triple,
+       (Base + SubdirName + llvm::sys::path::get_separator() + "mingw/lib").str());
+ 
+   getFilePaths().push_back(Base + "lib");
+-  // openSUSE
+-  getFilePaths().push_back(Base + SubdirName + "/sys-root/mingw/lib");
+ 
+   NativeLLVMSupport =
+       Args.getLastArgValue(options::OPT_fuse_ld_EQ, CLANG_DEFAULT_LINKER)
+@@ -621,12 +626,6 @@ void toolchains::MinGW::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
+   if (DriverArgs.hasArg(options::OPT_nostdlibinc))
+     return;
+ 
+-  if (GetRuntimeLibType(DriverArgs) == ToolChain::RLT_Libgcc) {
+-    // openSUSE
+-    addSystemInclude(DriverArgs, CC1Args,
+-                     Base + SubdirName + "/sys-root/mingw/include");
+-  }
+-
+   addSystemInclude(DriverArgs, CC1Args,
+                    Base + SubdirName + llvm::sys::path::get_separator() +
+                        "include");
+@@ -684,7 +683,7 @@ void toolchains::MinGW::AddClangCXXStdlibIncludeArgs(
+     for (auto &CppIncludeBase : CppIncludeBases) {
+       addSystemInclude(DriverArgs, CC1Args, CppIncludeBase);
+       CppIncludeBase += Slash;
+-      addSystemInclude(DriverArgs, CC1Args, CppIncludeBase + SubdirName);
++      addSystemInclude(DriverArgs, CC1Args, CppIncludeBase + TripleDirName);
+       addSystemInclude(DriverArgs, CC1Args, CppIncludeBase + "backward");
+     }
+     break;
+diff --git a/clang/lib/Driver/ToolChains/MinGW.h b/clang/lib/Driver/ToolChains/MinGW.h
+index bc17d273e776..ef9bfb29e175 100644
+--- a/clang/lib/Driver/ToolChains/MinGW.h
++++ b/clang/lib/Driver/ToolChains/MinGW.h
+@@ -106,6 +106,7 @@ private:
+   clang::driver::toolchains::Generic_GCC::GCCVersion GccVer;
+   std::string Ver;
+   std::string SubdirName;
++  std::string TripleDirName;
+   mutable std::unique_ptr<tools::gcc::Preprocessor> Preprocessor;
+   mutable std::unique_ptr<tools::gcc::Compiler> Compiler;
+   void findGccLibDir(const llvm::Triple &LiteralTriple);
+diff --git a/clang/test/Driver/mingw.cpp b/clang/test/Driver/mingw.cpp
+index bde952fb3565..46ea55b9500d 100644
+--- a/clang/test/Driver/mingw.cpp
++++ b/clang/test/Driver/mingw.cpp
+@@ -40,7 +40,10 @@
+ 
+ 
+ // RUN: %clang -target x86_64-pc-windows-gnu -rtlib=platform -stdlib=libstdc++ -c -### --sysroot=%S/Inputs/mingw_fedora_tree/usr %s 2>&1 | FileCheck -check-prefix=CHECK_MINGW_FEDORA_TREE %s
+-// CHECK_MINGW_FEDORA_TREE: "[[BASE:[^"]+]]/Inputs/mingw_fedora_tree/usr{{/|\\\\}}x86_64-w64-mingw32ucrt/sys-root/mingw/include"
++// CHECK_MINGW_FEDORA_TREE: "[[BASE:[^"]+]]/Inputs/mingw_fedora_tree/usr{{/|\\\\}}x86_64-w64-mingw32ucrt/sys-root/mingw/include/c++"
++// CHECK_MINGW_FEDORA_TREE: "[[BASE]]/Inputs/mingw_fedora_tree/usr{{/|\\\\}}x86_64-w64-mingw32ucrt/sys-root/mingw/include/c++/x86_64-w64-mingw32ucrt"
++// CHECK_MINGW_FEDORA_TREE: "[[BASE]]/Inputs/mingw_fedora_tree/usr{{/|\\\\}}x86_64-w64-mingw32ucrt/sys-root/mingw/include/c++/backward"
++// CHECK_MINGW_FEDORA_TREE: "[[BASE]]/Inputs/mingw_fedora_tree/usr{{/|\\\\}}x86_64-w64-mingw32ucrt/sys-root/mingw/include"
+ 
+ 
+ // RUN: %clang -target i686-pc-windows-gnu -rtlib=platform -stdlib=libstdc++ -c -### --sysroot=%S/Inputs/mingw_arch_tree/usr %s 2>&1 | FileCheck -check-prefix=CHECK_MINGW_ARCH_TREE %s
+-- 
+2.38.1
+

0003-PATCH-Make-funwind-tables-the-default-on-all-archs.patch

@@ -0,0 +1,29 @@
+From c87abee7356b8fde81512ffceadd520776c465d2 Mon Sep 17 00:00:00 2001
+From: serge-sans-paille <sguelton@redhat.com>
+Date: Thu, 25 Feb 2021 14:09:29 +0100
+Subject: [PATCH] [PATCH][clang] Make -funwind-tables the default on all archs
+
+---
+ clang/lib/Driver/ToolChains/Gnu.cpp | 6 ++++++
+ 1 file changed, 6 insertions(+)
+
+diff --git a/clang/lib/Driver/ToolChains/Gnu.cpp
+b/clang/lib/Driver/ToolChains/Gnu.cpp
+index d0808d061c82..de9c9743cd38 100644
+--- a/clang/lib/Driver/ToolChains/Gnu.cpp
++++ b/clang/lib/Driver/ToolChains/Gnu.cpp
+@@ -2701,6 +2701,11 @@ bool Generic_GCC::IsUnwindTablesDefault(const ArgList &Args) const {
+   case llvm::Triple::ppc64le:
+   case llvm::Triple::x86:
+   case llvm::Triple::x86_64:
++
++  // Enable -funwind-tables on all architectures supported by Fedora:
++  // rhbz#1655546
++  case llvm::Triple::systemz:
++  case llvm::Triple::arm:
+     return true;
+   default:
+     return false;
+-- 
+2.27.0
+

0003-PATCH-clang-Don-t-install-static-libraries.patch

@@ -0,0 +1,25 @@
+From 88704fc2eabb9dd19a9c3eb81a9b3dc37d95651c Mon Sep 17 00:00:00 2001
+From: Tom Stellard <tstellar@redhat.com>
+Date: Fri, 31 Jan 2020 11:04:57 -0800
+Subject: [PATCH][clang] Don't install static libraries
+
+---
+ clang/cmake/modules/AddClang.cmake | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/clang/cmake/modules/AddClang.cmake b/clang/cmake/modules/AddClang.cmake
+index 5752f4277444..0f52822d91f0 100644
+--- a/clang/cmake/modules/AddClang.cmake
++++ b/clang/cmake/modules/AddClang.cmake
+@@ -113,7 +113,7 @@ macro(add_clang_library name)
+     if(TARGET ${lib})
+       target_link_libraries(${lib} INTERFACE ${LLVM_COMMON_LIBS})
+ 
+-      if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY OR ARG_INSTALL_WITH_TOOLCHAIN)
++      if (ARG_SHARED AND (NOT LLVM_INSTALL_TOOLCHAIN_ONLY OR ARG_INSTALL_WITH_TOOLCHAIN))
+         get_target_export_arg(${name} Clang export_to_clangtargets UMBRELLA clang-libraries)
+         install(TARGETS ${lib}
+           COMPONENT ${lib}
+-- 
+2.30.2
+

0010-PATCH-clang-Produce-DWARF4-by-default.patch

@@ -0,0 +1,100 @@
+From 1f68d73910ddee1beaf3582480b8a9738c941a43 Mon Sep 17 00:00:00 2001
+From: Konrad Kleine <kkleine@redhat.com>
+Date: Thu, 24 Mar 2022 09:44:21 +0100
+Subject: [PATCH] Produce DWARF4 by default
+
+Have a look at the following commit to see when the move from DWARF 4 to 5 first happened upstream:
+
+https://github.com/llvm/llvm-project/commit/d3b26dea16108c427b19b5480c9edc76edf8f5b4?diff=unified
+---
+ clang/include/clang/Driver/ToolChain.h | 2 +-
+ clang/test/CodeGen/dwarf-version.c     | 4 ++--
+ clang/test/Driver/cl-options.c         | 2 +-
+ clang/test/Driver/clang-g-opts.c       | 2 +-
+ clang/test/Driver/ve-toolchain.c       | 2 +-
+ clang/test/Driver/ve-toolchain.cpp     | 2 +-
+ 6 files changed, 7 insertions(+), 7 deletions(-)
+
+diff --git a/clang/include/clang/Driver/ToolChain.h b/clang/include/clang/Driver/ToolChain.h
+index f20ab164531b..53c86ee82936 100644
+--- a/clang/include/clang/Driver/ToolChain.h
++++ b/clang/include/clang/Driver/ToolChain.h
+@@ -535,7 +535,7 @@ public:
+   
+   // Return the DWARF version to emit, in the absence of arguments
+   // to the contrary.
+-  virtual unsigned GetDefaultDwarfVersion() const { return 5; }
++  virtual unsigned GetDefaultDwarfVersion() const { return 4; }
+ 
+   // Some toolchains may have different restrictions on the DWARF version and
+   // may need to adjust it. E.g. NVPTX may need to enforce DWARF2 even when host
+diff --git a/clang/test/CodeGen/dwarf-version.c b/clang/test/CodeGen/dwarf-version.c
+index 0a6fa4768026..96f01749d0d8 100644
+--- a/clang/test/CodeGen/dwarf-version.c
++++ b/clang/test/CodeGen/dwarf-version.c
+@@ -2,8 +2,8 @@
+ // RUN: %clang -target x86_64-linux-gnu -gdwarf-3 -S -emit-llvm -o - %s | FileCheck %s --check-prefix=VER3
+ // RUN: %clang -target x86_64-linux-gnu -gdwarf-4 -S -emit-llvm -o - %s | FileCheck %s --check-prefix=VER4
+ // RUN: %clang -target x86_64-linux-gnu -gdwarf-5 -S -emit-llvm -o - %s | FileCheck %s --check-prefix=VER5
+-// RUN: %clang -target x86_64-linux-gnu -g -S -emit-llvm -o - %s | FileCheck %s --check-prefix=VER5
+-// RUN: %clang -target x86_64-linux-gnu -gdwarf -S -emit-llvm -o - %s | FileCheck %s --check-prefix=VER5
++// RUN: %clang -target x86_64-linux-gnu -g -S -emit-llvm -o - %s | FileCheck %s --check-prefix=VER4
++// RUN: %clang -target x86_64-linux-gnu -gdwarf -S -emit-llvm -o - %s | FileCheck %s --check-prefix=VER4
+ 
+ // The -isysroot is used as a hack to avoid LIT messing with the SDKROOT
+ // environment variable which indirecty overrides the version in the target
+diff --git a/clang/test/Driver/cl-options.c b/clang/test/Driver/cl-options.c
+index a2e350a0a835..01889ba0bf9b 100644
+--- a/clang/test/Driver/cl-options.c
++++ b/clang/test/Driver/cl-options.c
+@@ -570,7 +570,7 @@
+ // RUN: %clang_cl /Z7 -gdwarf /c -### -- %s 2>&1 | FileCheck -check-prefix=Z7_gdwarf %s
+ // Z7_gdwarf: "-gcodeview"
+ // Z7_gdwarf: "-debug-info-kind=constructor"
+-// Z7_gdwarf: "-dwarf-version=
++// Z7_gdwarf: "-dwarf-version=4
+ 
+ // RUN: %clang_cl -fmsc-version=1800 -TP -### -- %s 2>&1 | FileCheck -check-prefix=CXX11 %s
+ // CXX11: -std=c++11
+diff --git a/clang/test/Driver/clang-g-opts.c b/clang/test/Driver/clang-g-opts.c
+index d982b1070cae..bb129e75769c 100644
+--- a/clang/test/Driver/clang-g-opts.c
++++ b/clang/test/Driver/clang-g-opts.c
+@@ -32,7 +32,7 @@
+ 
+ // CHECK-WITHOUT-G-NOT: -debug-info-kind
+ // CHECK-WITH-G: "-debug-info-kind=constructor"
+-// CHECK-WITH-G: "-dwarf-version=5"
++// CHECK-WITH-G: "-dwarf-version=4"
+ // CHECK-WITH-G-DWARF2: "-dwarf-version=2"
+ 
+ // CHECK-WITH-G-STANDALONE: "-debug-info-kind=standalone"
+diff --git a/clang/test/Driver/ve-toolchain.c b/clang/test/Driver/ve-toolchain.c
+index 32e25769b6da..b8a2852daba8 100644
+--- a/clang/test/Driver/ve-toolchain.c
++++ b/clang/test/Driver/ve-toolchain.c
+@@ -6,7 +6,7 @@
+ /// Checking dwarf-version
+ 
+ // RUN: %clang -### -g --target=ve %s 2>&1 | FileCheck -check-prefix=DWARF_VER %s
+-// DWARF_VER: "-dwarf-version=5"
++// DWARF_VER: "-dwarf-version=4"
+ 
+ ///-----------------------------------------------------------------------------
+ /// Checking include-path
+diff --git a/clang/test/Driver/ve-toolchain.cpp b/clang/test/Driver/ve-toolchain.cpp
+index 5a33d5eceb61..cedf895b36dc 100644
+--- a/clang/test/Driver/ve-toolchain.cpp
++++ b/clang/test/Driver/ve-toolchain.cpp
+@@ -7,7 +7,7 @@
+ 
+ // RUN: %clangxx -### -g --target=ve-unknown-linux-gnu \
+ // RUN:     %s 2>&1 | FileCheck -check-prefix=DWARF_VER %s
+-// DWARF_VER: "-dwarf-version=5"
++// DWARF_VER: "-dwarf-version=4"
+ 
+ ///-----------------------------------------------------------------------------
+ /// Checking include-path
+-- 
+2.37.1
+

clang.rpmlintrc

@@ -0,0 +1,6 @@
+# clang needs libstdc++-devel installed in order to compile c++ programs.
+addFilter("E: devel-dependency libstdc\+\+-devel")
+addFilter("E: explicit-lib-dependency libstdc\+\+-devel")
+# clang installs libear to /usr/lib on all arches, so we have to use
+# a hard-coded /usr/lib path in order to move it to the python3 sitelib.
+addFilter("E: hardcoded-library-path in %{_prefix}/lib/{libear")

fix-lto-path.patch

@@ -0,0 +1,25 @@
+diff --git a/clang/include/clang/Config/config.h.cmake b/clang/include/clang/Config/config.h.cmake
+index dfd2f757a185..96aceb656e2b 100644
+--- a/clang/include/clang/Config/config.h.cmake
++++ b/clang/include/clang/Config/config.h.cmake
+@@ -104,4 +104,6 @@
+ /* Whether to enable opaque pointers by default */
+ #cmakedefine01 CLANG_ENABLE_OPAQUE_POINTERS_INTERNAL
+ 
++#define CLANG_INSTALL_PREFIX "${CLANG_INSTALL_PREFIX}"
++
+ #endif
+diff --git a/clang/lib/Driver/ToolChains/CommonArgs.cpp b/clang/lib/Driver/ToolChains/CommonArgs.cpp
+index 443725f7d8a8..23239824a0f1 100644
+--- a/clang/lib/Driver/ToolChains/CommonArgs.cpp
++++ b/clang/lib/Driver/ToolChains/CommonArgs.cpp
+@@ -501,8 +501,7 @@ void tools::addLTOOptions(const ToolChain &ToolChain, const ArgList &Args,
+ #endif
+ 
+     SmallString<1024> Plugin;
+-    llvm::sys::path::native(
+-        Twine(D.Dir) + "/../lib" CLANG_LIBDIR_SUFFIX "/LLVMgold" + Suffix,
++    llvm::sys::path::native(Twine(CLANG_INSTALL_PREFIX "/LLVMgold") + Suffix,
+         Plugin);
+     CmdArgs.push_back(Args.MakeArgString(Plugin));
+   }

macros.clang

@@ -0,0 +1,16 @@
+%clang_major_version @@CLANG_MAJOR_VERSION@@
+%clang_minor_version @@CLANG_MINOR_VERSION@@
+%clang_patch_version @@CLANG_PATCH_VERSION@@
+
+%clang_version %{clang_major_version}.%{clang_minor_version}.%{clang_patch_version}
+
+# This is the path to the clang resource directory that has clang's internal
+# headers and libraries.  This path should be used by packages that need to
+# install files into this directory.  This macro's value changes every time
+# clang's version changes.
+%clang_resource_dir %{_libdir}/clang/%{clang_version}
+
+# This is the path to the clang resource directory that should be used
+# by packages that need to read files from this directory at runtime.
+# This macro only changes when clang's major version changes.
+%clang_resource_dir_readonly %{_libdir}/clang/%{clang_major_version}

release-keys.asc

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sources

@@ -0,0 +1,4 @@
+SHA512 (clang-15.0.7.src.tar.xz) = 9fd2736a9f5993ddbb5b3c507fe497234a6def64f6f418f379d1ca56c9c361ad1ae9a5445ab938230fbc1671ec00b4f802a412b048569023863c20dc6bb46a1f
+SHA512 (clang-15.0.7.src.tar.xz.sig) = e1b41c5a6509c3554794bfa1b8d048f13268bc2234d7480f04f7700e27bd9d53e40bc1433885716a64da57458f3041c42a66639045476daefffc3f5d2e3d6efd
+SHA512 (clang-tools-extra-15.0.7.src.tar.xz) = dd95d261d3a1618967b698e97ac0b41204d872d7479c0c832fcf5a91fe447af6a97fa794de07b3e271285867b30b905688f090e98f516b9df4cdfb3bad9defc6
+SHA512 (clang-tools-extra-15.0.7.src.tar.xz.sig) = 10887b80d453d1ec826afbf5cfd937d5b671ed73f54691072b2b097da21f9358b8d6372df79200dc0694cbbc40b816c4139690b4e7033ba03a8a9b92611ee4ce