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author	Richard Biener <rguenther@suse.de>
	Mon, 19 Mar 2018 12:49:30 +0000 (12:49 +0000)
committer	Richard Biener <rguenth@gcc.gnu.org>
	Mon, 19 Mar 2018 12:49:30 +0000 (12:49 +0000)
commit	25f91fda52f88f4a639a30ec33d821f1acb9c058
tree	079838dd79a6c0a620fc0d836864307e975318b8	tree \| snapshot
parent	8455b50eccdeac648fd0ebd0b7dd60b0e8bbffbb	commit \| diff

re PR tree-optimization/84929 (ICE at -O3 on valid code on x86_64-linux-gnu: tree check: expected polynomial_chrec, have nop_expr in analyze_siv_subscript_cst_affine, at tree-data-ref.c:3018)

2018-03-19 Richard Biener <rguenther@suse.de>

PR tree-optimization/84929
* tree-data-ref.c (analyze_siv_subscript_cst_affine): Guard
chrec_is_positive against non-chrec arg.

* gcc.dg/torture/pr84929.c: New testcase.

From-SVN: r258643

gcc/ChangeLog		diff \| blob \| blame \| history
gcc/testsuite/ChangeLog		diff \| blob \| blame \| history
gcc/testsuite/gcc.dg/torture/pr84929.c	[new file with mode: 0644]	blob
gcc/tree-data-ref.c		diff \| blob \| blame \| history

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