[Bug tree-optimization/89296] [7/8/9 Regression] tree copy-header masking uninitialized warning
rguenth at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Mon Feb 18 12:56:00 GMT 2019
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89296
--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Mon Feb 18 12:56:15 2019
New Revision: 268986
URL: https://gcc.gnu.org/viewcvs?rev=268986&root=gcc&view=rev
Log:
2019-02-18 Richard Biener <rguenther@suse.de>
PR tree-optimization/89296
* tree-ssa-loop-ch.c (ch_base::copy_headers): Restrict setting
of no-warning flag to cases that might emit the bogus warning.
* gcc.dg/uninit-pr89296.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/uninit-pr89296.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-loop-ch.c
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