[Bug tree-optimization/47538] [4.6 Regression] GNU Scientific Library miscompiled by gcc 4.6

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47538

--- Comment #12 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-01-31 11:36:24 UTC ---
Created attachment 23177
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=23177
gcc46-pr47538.patch

The #c8 patch doesn't bootstrap, agree with Richard this is not stage4ish.

Another alternative patch, which just reverts the patch that caused it and
limits it to comparisons (where lhs type is always unrelated to the comparison
type).