[Bug tree-optimization/47365] [4.5 Regression] wrong code with -O -ftree-pre

2011-01-20 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47365 --- Comment #2 from Richard Guenther 2011-01-20 12:01:23 UTC --- What happens is that when translating D.2739_9 = b.a[0].i; from bb6 to bb3 value-numbering does look through the aggregate copy b.a[0] = b.a[1]; continuing to look for b.a[1].i and

[Bug tree-optimization/47365] [4.5 Regression] wrong code with -O -ftree-pre

2011-01-20 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47365 Richard Guenther changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|