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[PATCH] More fixes for unsafe compiler optimization


GCC 4.9 -ftree-loop-distribute-patterns now may transform loops in
memcpy.  Add the alias to internal GLIBC symbol to avoid PLT creation.

This fixes the check-localplt issues when building GLIBC with GCC 4.9
on powerpc64.  Ok to apply?

--

	* sysdeps/generic/symbol-hacks.h (memcpy): Add internal alias.

---

diff --git a/sysdeps/generic/symbol-hacks.h b/sysdeps/generic/symbol-hacks.h
index 9eaf014..6bec24b 100644
--- a/sysdeps/generic/symbol-hacks.h
+++ b/sysdeps/generic/symbol-hacks.h
@@ -3,4 +3,5 @@
 #if !defined __ASSEMBLER__ && !defined NOT_IN_libc && defined SHARED
 asm ("memmove = __GI_memmove");
 asm ("memset = __GI_memset");
+asm ("memcpy = __GI_memcpy");
 #endif


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