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re PR tree-optimization/61221 (ICE on valid code at -O1 and above on x86_64-linux...
authorRichard Biener <rguenther@suse.de>
Mon, 19 May 2014 14:33:31 +0000 (14:33 +0000)
committerRichard Biener <rguenth@gcc.gnu.org>
Mon, 19 May 2014 14:33:31 +0000 (14:33 +0000)
commit1d44def2c2faae5f7e5a58fb57e0c9991a339bd5
treee67c419dec0c9e20aaf8ed809ff91af44ab50f25tree
parent051351362bfe8552549443b77bdbd0ac5e003eaccommit | diff
re PR tree-optimization/61221 (ICE on valid code at -O1 and above on x86_64-linux-gnu)

2014-05-19  Richard Biener  <rguenther@suse.de>

PR tree-optimization/61221
* tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
Do nothing for unreachable blocks.
* tree-ssa-sccvn.c (cond_dom_walker::before_dom_children):
Improve unreachability detection.

* gcc.dg/torture/pr61221.c: New testcase.

From-SVN: r210614
gcc/ChangeLog diff | blob | history
gcc/testsuite/ChangeLog diff | blob | history
gcc/testsuite/gcc.dg/torture/pr61221.c [new file with mode: 0644] blob
gcc/tree-ssa-pre.c diff | blob | history
gcc/tree-ssa-sccvn.c diff | blob | history