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[Bug tree-optimization/82052] [8 Regression] ICE with "-O3 -m32" on x86_64-linux-gnu (internal compiler error: in pop_to_marker, at tree-ssa-scopedtables.c:71)
- From: "law at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 01 Sep 2017 15:32:47 +0000
- Subject: [Bug tree-optimization/82052] [8 Regression] ICE with "-O3 -m32" on x86_64-linux-gnu (internal compiler error: in pop_to_marker, at tree-ssa-scopedtables.c:71)
- Auto-submitted: auto-generated
- References: <bug-82052-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82052
--- Comment #4 from Jeffrey A. Law <law at gcc dot gnu.org> ---
Author: law
Date: Fri Sep 1 15:32:15 2017
New Revision: 251600
URL: https://gcc.gnu.org/viewcvs?rev=251600&root=gcc&view=rev
Log:
PR tree-optimization/82052
* tree-ssa-scopedtables.c (avail_exprs_stack::lookup_avail_expr):
Always initialize the returned slot after a hash table miss
when INSERT is true.
PR tree-optimization/82052
* gcc.c-torture/compile/pr82052.c: New test.
Added:
trunk/gcc/testsuite/gcc.c-torture/compile/pr82052.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-scopedtables.c