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[Bug tree-optimization/54877] [4.7/4.8 Regression] ICE: tree check: expected ssa_name, have real_cst in copy_ssa_name_fn, at tree-ssanames.c:335
- 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, 10 Oct 2012 17:47:19 +0000
- Subject: [Bug tree-optimization/54877] [4.7/4.8 Regression] ICE: tree check: expected ssa_name, have real_cst in copy_ssa_name_fn, at tree-ssanames.c:335
- Auto-submitted: auto-generated
- References: <bug-54877-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54877
--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-10-10 17:47:19 UTC ---
Author: jakub
Date: Wed Oct 10 17:47:05 2012
New Revision: 192322
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=192322
Log:
PR tree-optimization/54877
* tree-vect-loop.c (vect_is_simple_reduction_1): For MINUS_EXPR
use make_ssa_name instead of copy_ssa_name.
* gcc.dg/torture/pr54877.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/torture/pr54877.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-vect-loop.c