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[Bug middle-end/77259] [6/7 Regression] ICE in emit_move_insn since r232167
- 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, 17 Aug 2016 13:57:01 +0000
- Subject: [Bug middle-end/77259] [6/7 Regression] ICE in emit_move_insn since r232167
- Authentication-results: sourceware.org; auth=none
- Auto-submitted: auto-generated
- References: <bug-77259-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77259
--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Wed Aug 17 13:56:30 2016
New Revision: 239537
URL: https://gcc.gnu.org/viewcvs?rev=239537&root=gcc&view=rev
Log:
PR middle-end/77259
* tree-ssa-pre.c (eliminate_dom_walker::before_dom_children): If
turning a call into __builtin_unreachable-like noreturn call, adjust
gimple_call_set_fntype.
* tree-cfgcleanup.c (fixup_noreturn_call): Remove lhs also if
gimple_call_fntype has void return type.
* g++.dg/ipa/devirt-52.C: New test.
Added:
trunk/gcc/testsuite/g++.dg/ipa/devirt-52.C
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-cfgcleanup.c
trunk/gcc/tree-ssa-pre.c