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author	rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
	Wed, 28 Nov 2018 13:04:27 +0000 (13:04 +0000)
committer	rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
	Wed, 28 Nov 2018 13:04:27 +0000 (13:04 +0000)
commit	63848926792cf5a2c5d9184294471e9636c6c783
tree	bb9217b9fbab81210da2036428065e73b22e1fa1	tree
parent	1accb46c587cb7f2d24cad8d63efb34c378f0c5b	commit \| diff

2018-11-28 Richard Biener <rguenther@suse.de>

PR tree-optimization/88217
* vr-values.c (vr_values::extract_range_from_phi_node): Make
sure to handle results > +INF and < -INF correctly when
trying to drop down to +INF - 1 or -INF + 1.

* g++.dg/pr88217.C: New testcase.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@266557 138bc75d-0d04-0410-961f-82ee72b054a4

gcc/ChangeLog		diff \| blob \| blame \| history
gcc/testsuite/ChangeLog		diff \| blob \| blame \| history
gcc/testsuite/g++.dg/pr88217.C	[new file with mode: 0644]	blob
gcc/vr-values.c		diff \| blob \| blame \| history

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