diff --git a/glibc-2.16-mcheck.patch b/glibc-2.16-mcheck.patch
new file mode 100644
index 0000000..a2287c2
--- /dev/null
+++ b/glibc-2.16-mcheck.patch
@@ -0,0 +1,25 @@
+diff --git a/malloc/mcheck.c b/malloc/mcheck.c
+index 9213740..7491c49 100644
+--- a/malloc/mcheck.c
++++ b/malloc/mcheck.c
+@@ -370,6 +370,12 @@ mabort (enum mcheck_status status)
+ #endif
+ }
+ 
++#ifndef malloc_opt_barrier
++#define malloc_opt_barrier(x) \
++({ __typeof (x) __x = x; __asm ("" : "+m" (__x)); __x; })
++#define malloc_force_eval(x) __asm __volatile ("" : : "m" (x))
++#endif
++
+ int
+ mcheck (func)
+      void (*func) (enum mcheck_status);
+@@ -381,6 +387,7 @@ mcheck (func)
+     {
+       /* We call malloc() once here to ensure it is initialized.  */
+       void *p = malloc (0);
++      p = malloc_opt_barrier (p);
+       free (p);
+ 
+       old_free_hook = __free_hook;
diff --git a/glibc.changes b/glibc.changes
index a0edbcc..1f3006a 100644
--- a/glibc.changes
+++ b/glibc.changes
@@ -1,3 +1,13 @@
+-------------------------------------------------------------------
+Thu May  3 11:05:36 UTC 2012 - aj@suse.de
+
+- Fix dynamic linker name for ARMv5.
+
+-------------------------------------------------------------------
+Thu Apr 26 14:02:37 UTC 2012 - aj@suse.de
+
+- Fix mcheck (optimization problem with gcc 4.7)
+
 -------------------------------------------------------------------
 Wed Apr 25 10:40:20 UTC 2012 - aj@suse.de
 
diff --git a/glibc.spec b/glibc.spec
index 239ac38..c917b47 100644
--- a/glibc.spec
+++ b/glibc.spec
@@ -297,6 +297,8 @@ Patch2007:      glibc-sw13618-2.patch
 Patch2008:      glibc-ld-profile.patch
 # PATCH-FIX-OPENSUSE _fini does not have proper unwinding information on x86_64 bso#11610
 Patch2009:      glibc-fini-unwind.diff
+# PATCH-FIX-OPENSUSE malloc(0);free gets optimized out
+Patch2010:      glibc-2.16-mcheck.patch
 
 %description
 The GNU C Library provides the most important standard libraries used
@@ -558,6 +560,7 @@ rm nscd/s-stamp
 # XXX Disable, it breaks the testsuite, test elf/tst-audit2 
 # %patch2008 -p1
 %patch2009 -p1
+%patch2010 -p1
 
 #
 # Inconsistency detected by ld.so: dl-close.c: 719: _dl_close: Assertion `map->l_init_called' failed!
@@ -1109,7 +1112,7 @@ exit 0
 # Keep compatibility link
 /%{_lib}/ld-linux.so.3
 %else
-/%{_lib}/ld-linux.so.2
+/%{_lib}/ld-linux.so.3
 %endif
 %endif
 %ifarch ia64