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[Bug tree-optimization/45860] [4.6 Regression] ICE: verify_ssa failed: virtual SSA name for non-VOP decl at -O1
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Sun, 3 Oct 2010 19:51:59 +0000
- Subject: [Bug tree-optimization/45860] [4.6 Regression] ICE: verify_ssa failed: virtual SSA name for non-VOP decl at -O1
- Auto-submitted: auto-generated
- References: <bug-45860-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45860
Richard Guenther <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |4.6.0
--- Comment #2 from Richard Guenther <rguenth at gcc dot gnu.org> 2010-10-03 19:51:59 UTC ---
The conditional store pass is confused about
*D.1952_4 = 0;
D.1953_5 = i_1(D) & 1;
if (D.1953_5 != 0)
goto <bb 3>;
else
goto <bb 4>;
<bb 3>:
MEM[(char * {ref-all})D.1952_4] = "";
because that assignment is an array-to-array assignment (not exactly
optimal result of constant-folding).