Fix build with GCC 13

0001-Flang-Explicitly-include-cstdint-NFC.patch

@@ -0,0 +1,28 @@
+From 01f8544e8d7ab70330b551c2433409181adccf20 Mon Sep 17 00:00:00 2001
+From: Nikita Popov <npopov@redhat.com>
+Date: Thu, 19 Jan 2023 14:28:58 +0100
+Subject: [PATCH] [Flang] Explicitly include cstdint (NFC)
+
+This header uses std::int8_t, but does not include cstdint.
+
+This fixes the build against libstc++ 13, where some indirect
+header includes have been removed.
+---
+ flang/include/flang/Parser/characters.h | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/flang/include/flang/Parser/characters.h b/flang/include/flang/Parser/characters.h
+index 1a7d395be2bf..239be8d4bf4a 100644
+--- a/flang/include/flang/Parser/characters.h
++++ b/flang/include/flang/Parser/characters.h
+@@ -14,6 +14,7 @@
+ // also to accomodate Fortran tokenization.
+ 
+ #include <cstddef>
++#include <cstdint>
+ #include <optional>
+ #include <string>
+ 
+-- 
+2.39.0
+

flang.spec

@@ -11,7 +11,7 @@
 
 Name: flang
 Version: %{flang_version}%{?rc_ver:~rc%{rc_ver}}
-Release: 2%{?dist}
+Release: 3%{?dist}
 Summary: a Fortran language front-end designed for integration with LLVM
 
 License: Apache-2.0 WITH LLVM-exception
@@ -31,6 +31,7 @@ Patch2: link-against-libclang-cpp.patch
 # one has been upstreamed as https://reviews.llvm.org/D131475.
 Patch3: 0001-flang-docs-nfc-Refine-FlangOptionsDocs.td.patch
 Patch4: 0001-Use-find_program-for-clang-tblgen.patch
+Patch5: 0001-Flang-Explicitly-include-cstdint-NFC.patch
 
 # Avoid gcc reaching 4GB of memory on 32-bit targets and also running out of
 # memory on builders with many CPUs.
@@ -214,6 +215,9 @@ export LD_LIBRARY_PATH=%{_builddir}/%{flang_srcdir}/%{_build}/lib
 %doc %{_pkgdocdir}/html/
 
 %changelog
+* Thu Jan 19 2023 Nikita Popov <npopov@redhat.com> - 15.0.7-3
+- Fix build with GCC 13
+
 * Thu Jan 19 2023 Fedora Release Engineering <releng@fedoraproject.org> - 15.0.7-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild