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re PR tree-optimization/35231 (VRP miscompiles libX11)
authorRichard Guenther <rguenther@suse.de>
Sun, 17 Feb 2008 14:00:48 +0000 (14:00 +0000)
committerRichard Biener <rguenth@gcc.gnu.org>
Sun, 17 Feb 2008 14:00:48 +0000 (14:00 +0000)
commite09deb1401d411beebe1f56c8435bb9af8e1f4cc
treeb460ac23b8786521d83cd102316a7ba02bde87cftree
parente6528d32a44a94c5df64cd283428f7121dc66fd7commit | diff
re PR tree-optimization/35231 (VRP miscompiles libX11)

2008-02-17  Richard Guenther  <rguenther@suse.de>

PR tree-optimization/35231
* tree-vrp.c (register_edge_assert_for): Do not assume A == 0
if A | B != 1.

* gcc.c-torture/execute/pr35231.c: New testcase.

From-SVN: r132378
gcc/ChangeLog diff | blob | history
gcc/testsuite/ChangeLog diff | blob | history
gcc/testsuite/gcc.c-torture/execute/pr35231.c [new file with mode: 0644] blob
gcc/tree-vrp.c diff | blob | history