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re PR middle-end/30656 (ICE with -ftrapv)
authorRichard Guenther <rguenther@suse.de>
Thu, 1 Feb 2007 10:27:17 +0000 (10:27 +0000)
committerRichard Biener <rguenth@gcc.gnu.org>
Thu, 1 Feb 2007 10:27:17 +0000 (10:27 +0000)
commitee7d8048d5cb690e325d79e82df75c3ddc36a081
tree2371e5f628681bf2c8184df93992ef21f657be0etree
parentf1b0882e68c21ec78026a448008a0470244d95b6commit | diff
re PR middle-end/30656 (ICE with -ftrapv)

2007-02-01  Richard Guenther  <rguenther@suse.de>

PR middle-end/30656
* fold-const.c (fold_negate_expr): Allow negating a
constant if overflow does not change.

From-SVN: r121460
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