Created attachment 688898 [details]
Stiched from clutter sources, breaks with -O2

Description of problem:
I've stiched the attached  testcase from clutter sources that breaks with -O2 

Version-Release number of selected component (if applicable):
gcc-4.8.0-0.6.fc19.x86_64

Just compile with 
gcc test.c -o test
and 
gcc test.c -O2 -o test