[Bug tree-optimization/58805] [4.8/4.9 Regression] Inline assembly wrongly optimized out when inside a conditional

[vries at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58805

--- Comment #17 from vries at gcc dot gnu.org ---
Author: vries
Date: Wed Oct 23 13:26:45 2013
New Revision: 203973

URL: http://gcc.gnu.org/viewcvs?rev=203973&root=gcc&view=rev
Log:
Add missing check in stmt_local_def for tail-merge.

2013-10-22  Tom de Vries  <tom@codesourcery.com>

    PR tree-optimization/58805
    * tree-ssa-tail-merge.c (stmt_local_def): Add gimple_vdef check.

    * gcc.dg/pr58805.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/pr58805.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-tail-merge.c