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re PR tree-optimization/49822 (Segfault in remove_prop_source_from_use)
authorRichard Guenther <rguenther@suse.de>
Mon, 25 Jul 2011 14:15:02 +0000 (14:15 +0000)
committerRichard Biener <rguenth@gcc.gnu.org>
Mon, 25 Jul 2011 14:15:02 +0000 (14:15 +0000)
commit7fdab8d4fcbcf41eb5a5cd4f529734d4a5e0d990
tree1b063c8799beaf1b562e98575c19404588129b96tree
parent1baae426f98fa5b03b11b097a90b79660dbb9bc2commit | diff
re PR tree-optimization/49822 (Segfault in remove_prop_source_from_use)

2011-07-25  Richard Guenther  <rguenther@suse.de>

PR tree-optimization/49822
* tree-ssa-forwprop.c (remove_prop_source_from_use): Robustify
more.  Make sure to preserve stmts with side-effects.  Properly
handle virtual defs, follow a longer def chain.

From-SVN: r176745
gcc/ChangeLog diff | blob | history
gcc/tree-ssa-forwprop.c diff | blob | history