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Upstream-Status: Backport
Originally-submitted-by: Peter Urbanec <openembedded-devel@urbanec.net>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
--- /dev/null
+++ b/meta/recipes-devtools/gcc/gcc-4.9/0056-top-level-reorder_gcc-bug-61144.patch
@@ -0,0 +1,21 @@
+--- a/gcc/varpool.c 2014/10/05 02:50:01 215895
++++ b/gcc/varpool.c 2014/10/05 04:52:19 215896
+@@ -329,8 +329,16 @@
+
+ /* Variables declared 'const' without an initializer
+ have zero as the initializer if they may not be
+- overridden at link or run time. */
+- if (!DECL_INITIAL (real_decl)
++ overridden at link or run time.
++
++ It is actually requirement for C++ compiler to optimize const variables
++ consistently. As a GNU extension, do not enfore this rule for user defined
++ weak variables, so we support interposition on:
++ static const int dummy = 0;
++ extern const int foo __attribute__((__weak__, __alias__("dummy")));
++ */
++ if ((!DECL_INITIAL (real_decl)
++ || (DECL_WEAK (decl) && !DECL_COMDAT (decl)))
+ && (DECL_EXTERNAL (decl) || decl_replaceable_p (decl)))
+ return error_mark_node;
+
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