[Bug target/63661] -O2 miscompiles on OSX 10.10 Yosemite

[howarth at bromo dot med.uc.edu]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63661

--- Comment #8 from howarth at bromo dot med.uc.edu ---
Created attachment 33829
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=33829&action=edit
assembly at -O2 from test_mathieu.c using gcc 4.9.1-RC