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r171287 - in /trunk/gcc: ChangeLog testsuite/Ch...
- From: rguenth at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Tue, 22 Mar 2011 12:40:11 -0000
- Subject: r171287 - in /trunk/gcc: ChangeLog testsuite/Ch...
Author: rguenth
Date: Tue Mar 22 12:40:09 2011
New Revision: 171287
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=171287
Log:
2011-03-22 Richard Guenther <rguenther@suse.de>
PR tree-optimization/48228
* tree-vrp.c (vrp_visit_phi_node): Do not stop propagating
for single-arg PHIs.
* gcc.dg/Wstrict-overflow-23.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/Wstrict-overflow-23.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-vrp.c