Import patch to have common symbols in an executable override definitions in shared objects (PR 19579)

Resolves: #1312507

binutils-2.26-common-definitions.patch

@@ -0,0 +1,21 @@
+--- binutils-2.26.orig/bfd/elflink.c	2016-03-14 17:11:13.628349614 +0000
++++ binutils-2.26/bfd/elflink.c	2016-03-14 17:20:56.512569366 +0000
+@@ -1485,13 +1485,16 @@ _bfd_elf_merge_symbol (bfd *abfd,
+      represent variables; this can cause confusion in principle, but
+      any such confusion would seem to indicate an erroneous program or
+      shared library.  We also permit a common symbol in a regular
+-     object to override a weak symbol in a shared object.  */
++     object to override a weak symbol in a shared object.  A common
++     symbol in executable also overrides a symbol in a shared object.  */
+ 
+   if (newdyn
+       && newdef
+       && (olddef
+ 	  || (h->root.type == bfd_link_hash_common
+-	      && (newweak || newfunc))))
++             && (newweak
++                 || newfunc
++                 || (!olddyn && bfd_link_executable (info))))))
+     {
+       *override = TRUE;
+       newdef = FALSE;

binutils.spec

@@ -20,7 +20,7 @@
 Summary: A GNU collection of binary utilities
 Name: %{?cross}binutils%{?_with_debug:-debug}
 Version: 2.26
-Release: 14%{?dist}
+Release: 15%{?dist}
 License: GPLv3+
 Group: Development/Tools
 URL: http://sources.redhat.com/binutils
@@ -66,6 +66,8 @@ Patch20: binutils-2.26-lto.patch
 Patch21: binutils-rh1312151.patch
 # Import fix for PR 19601
 Patch22: binutils-2.26-fix-GOT-offset-calculation.patch
+# Import fix for PR 19579
+Patch23: binutils-2.26-common-definitions.patch
 
 Provides: bundled(libiberty)
 
@@ -196,6 +198,7 @@ using libelf instead of BFD.
 %patch20 -p1
 %patch21 -p1
 %patch22 -p1
+%patch23 -p1
 
 # We cannot run autotools as there is an exact requirement of autoconf-2.59.
 
@@ -515,6 +518,10 @@ exit 0
 %endif # %{isnative}
 
 %changelog
+* Mon Mar 14 2016 Nick Clifton  <nickc@redhat.com> 2.26-15
+- Import patch to have common symbols in an executable override definitions in shared objects (PR 19579)
+  (#1312507)
+
 * Mon Feb 29 2016 Nick Clifton  <nickc@redhat.com> 2.26-14
 - Import patch to fix x86 GOT offset calculation in 2.26 sources (PR 19601)
   (#1312489)