[Bug target/52555] [4.6/4.7/4.8 Regression] ICE unrecognizable insn with -ffast-math and __attribute__((optimize(xx)))

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52555

--- Comment #5 from H.J. Lu <hjl.tools at gmail dot com> 2012-08-15 14:34:53 
UTC ---
(In reply to comment #4)
> I actually wonder how could target attribute work the way it is implemented
> right now so far.

It works by miracle.  See PR 37565.