Resolves: #970866

Avoid tst-audit2 failure due to GCC 5 optimization.

glibc-rh970866.patch

@@ -0,0 +1,19 @@
+commit 51225803259c69a792a272d067443f3fbc9b79d7
+Author: Andreas Schwab <schwab@suse.de>
+Date:   Thu Jan 22 17:54:21 2015 +0100
+
+    Fix failure of elf/tst-audit2 when compiled with GCC-5
+
+Index: b/elf/Makefile
+===================================================================
+--- a/elf/Makefile
++++ b/elf/Makefile
+@@ -1016,6 +1016,8 @@ $(objpfx)tst-audit1.out: $(objpfx)tst-au
+ tst-audit1-ENV = LD_AUDIT=$(objpfx)tst-auditmod1.so
+ 
+ $(objpfx)tst-audit2.out: $(objpfx)tst-auditmod1.so
++# Prevent GCC-5 from translating a malloc/memset pair into calloc
++CFLAGS-tst-audit2.c += -fno-builtin
+ tst-audit2-ENV = LD_AUDIT=$(objpfx)tst-auditmod1.so
+ 
+ $(objpfx)tst-audit9: $(libdl)

glibc.spec

@@ -231,6 +231,8 @@ Patch1006: glibc-rh1276761-3.patch
 
 Patch1007: glibc-rh1214152.patch
 
+Patch1008: glibc-rh970866.patch
+
 ##############################################################################
 #
 # Patches submitted, but not yet approved upstream.
@@ -607,6 +609,7 @@ package or when debugging this package.
 %patch1005 -p1
 %patch1006 -p1
 %patch1007 -p1
+%patch1008 -p1
 
 ##############################################################################
 # %%prep - Additional prep required...
@@ -1779,11 +1782,12 @@ rm -f *.filelist*
 %endif
 
 %changelog
-* Fri Feb  5 2016 Florian Weimer <fweimer@redhat.com> - 2.21-10
+* Mon Feb  8 2016 Florian Weimer <fweimer@redhat.com> - 2.21-10
 - Make locale -a output ASCII-only (#1184168).
 - CVE-2015-8777: Apply additional pointer guard hardening.  (#1276761)
 - CVE-2015-1781: glibc: buffer overflow in gethostbyname_r and
   related functions with misaligned buffer.  (#1214152)
+- Avoid tst-audit2 failure due to GCC 5 optimization.  (#970866)
 
 * Wed Oct 28 2015 Florian Weimer <fweimer@redhat.com> - 2.21-9
 - Prevent malloc arena free list from becoming cyclic.  (#1276112)