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2018-12-10 Richard Biener <rguenther@suse.de>
authorrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
Mon, 10 Dec 2018 13:56:51 +0000 (13:56 +0000)
committerrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
Mon, 10 Dec 2018 13:56:51 +0000 (13:56 +0000)
commitab0481414d874f1a974e730f2d3acbf7f2eb5ef8
tree4855c8f6d1c205d85e4e598d58c84ed0cbcaf23btree
parent2e525a31659422ac1a806e01821e50763635fb20commit | diff
2018-12-10  Richard Biener  <rguenther@suse.de>

PR tree-optimization/88427
* vr-values.c (vr_values::extract_range_from_phi_node):
Handle symbolic ranges conservatively when trying to drop
to Inf +- 1.

* gcc.dg/pr88427.c: New testcase.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@266955 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog diff | blob | blame | history
gcc/testsuite/ChangeLog diff | blob | blame | history
gcc/testsuite/gcc.dg/pr88427.c [new file with mode: 0644] blob
gcc/vr-values.c diff | blob | blame | history
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