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[Bug tree-optimization/71104] [7 Regression] ICE: verify_ssa failed (with vfork / error: definition in block 3 does not dominate use in block 7 )
- 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: Wed, 13 Jul 2016 08:03:36 +0000
- Subject: [Bug tree-optimization/71104] [7 Regression] ICE: verify_ssa failed (with vfork / error: definition in block 3 does not dominate use in block 7 )
- Auto-submitted: auto-generated
- References: <bug-71104-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71104
--- Comment #11 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Wed Jul 13 08:03:04 2016
New Revision: 238287
URL: https://gcc.gnu.org/viewcvs?rev=238287&root=gcc&view=rev
Log:
2016-07-13 Richard Biener <rguenther@suse.de>
PR middle-end/71104
* gimplify.c (gimplify_modify_expr): Gimplify the RHS before
gimplifying the LHS. Make sure to gimplify a returning twice
call LHS without using SSA names.
* gcc.dg/pr71104-1.c: New testcase.
* gcc.dg/pr71104-2.c: Likewise.
Added:
trunk/gcc/testsuite/gcc.dg/pr71104-1.c
trunk/gcc/testsuite/gcc.dg/pr71104-2.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/gimplify.c
trunk/gcc/testsuite/ChangeLog