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r247007 - in /trunk/gcc: ChangeLog testsuite/Ch...


Author: law
Date: Wed Apr 19 19:27:09 2017
New Revision: 247007

URL: https://gcc.gnu.org/viewcvs?rev=247007&root=gcc&view=rev
Log:
	PR tree-optimization/80426
	* tree-vrp.c (extract_range_from_binary_expr_1): For an additive
	operation on symbolic operands, also compute the overflow for the
	invariant part when the operation degenerates into a negation.

	PR tree-optimization/80426
	* gcc.c-torture/execute/20170419-1.c: New test.

Added:
    trunk/gcc/testsuite/gcc.c-torture/execute/20170429-1.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vrp.c


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