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[Bug middle-end/48335] [4.6/4.7 Regression] ICE in convert_move
- From: "jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 30 Mar 2011 08:59:59 +0000
- Subject: [Bug middle-end/48335] [4.6/4.7 Regression] ICE in convert_move
- Auto-submitted: auto-generated
- References: <bug-48335-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48335
--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-03-30 08:59:55 UTC ---
Created attachment 23814
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=23814
gcc46-pr48335.patch
WIP patch I've been playing with. Unfortunately, it shows that even without
CONCAT we ICE, e.g. on:
struct S { float d; };
void bar (struct S);
void foo (int x) { struct S s = { .d = 0.0f }; *(char *) &s.d = x; s.d *= 7.0;
bar (s); }
at -O2 -fno-tree-sra.