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re PR tree-optimization/38359 (ICE in set_lattice_value, at tree-ssa-ccp.c:466)
authorRichard Guenther <rguenther@suse.de>
Tue, 2 Dec 2008 14:49:00 +0000 (14:49 +0000)
committerRichard Biener <rguenth@gcc.gnu.org>
Tue, 2 Dec 2008 14:49:00 +0000 (14:49 +0000)
commitbd170bbcd819a899eace0db56b353702b8d1ae2f
treec84c5aad5a5a4c998cee77f68adb2a8d68830ab1tree | snapshot
parentd47a01516c91f35d0f60d2e636d6e3724ee400b3commit | diff
re PR tree-optimization/38359 (ICE in set_lattice_value, at tree-ssa-ccp.c:466)

2008-12-02  Richard Guenther  <rguenther@suse.de>

PR tree-optimization/38359
* fold-const.c (fold_binary): Fold -1 >> x to -1 only for
non-negative x.

* gcc.c-torture/compile/pr38359.c: New testcase.
* gcc.c-torture/execute/shiftopt-1.c: Adjust.

From-SVN: r142356
gcc/ChangeLog diff | blob | history
gcc/fold-const.c diff | blob | history
gcc/testsuite/ChangeLog diff | blob | history
gcc/testsuite/gcc.c-torture/execute/shiftopt-1.c diff | blob | history
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