r278833 - in /trunk/gcc: ChangeLog testsuite/Ch...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Fri Nov 29 09:18:48 2019
New Revision: 278833

URL: https://gcc.gnu.org/viewcvs?rev=278833&root=gcc&view=rev
Log:
2019-11-29  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/92715
	* tree-ssa-forwprop.c (simplify_vector_constructor): Bail
	out for uniform vectors and source vectors with less elements
	than the destination.

	* gcc.dg/torture/pr92715.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr92715.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-forwprop.c