[Bug lto/50165] [4.7 regression] Huge build time regression (Firefox lto build)

[markus at trippelsdorf dot de]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50165

--- Comment #1 from Markus Trippelsdorf <markus at trippelsdorf dot de> 
2011-08-23 16:38:22 UTC ---
This regression is caused by revision 177571.
Reverting only 177661 and 177704 doesn't solve the problem.
Reverting all three revisions (77571, 177661 and 177704) solves the problem.