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r247208 - in /trunk/gcc: ChangeLog alias.c test...
- From: rguenth at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Tue, 25 Apr 2017 12:15:44 -0000
- Subject: r247208 - in /trunk/gcc: ChangeLog alias.c test...
Author: rguenth
Date: Tue Apr 25 12:15:44 2017
New Revision: 247208
URL: https://gcc.gnu.org/viewcvs?rev=247208&root=gcc&view=rev
Log:
2017-04-25 Richard Biener <rguenther@suse.de>
PR tree-optimization/80492
* alias.c (compare_base_decls): Handle registers with asm
specification conservatively.
* tree-ssa-alias.c (decl_refs_may_alias_p): Handle
compare_base_decls returning dont-know properly.
* gcc.dg/pr80492.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/pr80492.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/alias.c
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-alias.c