r245967 - in /trunk/gcc: ChangeLog internal-fn....

[jakub@gcc.gnu.org]

Author: jakub
Date: Wed Mar  8 08:35:20 2017
New Revision: 245967

URL: https://gcc.gnu.org/viewcvs?rev=245967&root=gcc&view=rev
Log:
	PR sanitizer/79904
	* internal-fn.c (expand_vector_ubsan_overflow): If arg0 or arg1
	is a uniform vector, use uniform_vector_p return value instead of
	building ARRAY_REF on folded VIEW_CONVERT_EXPR to array type.

	* gcc.dg/ubsan/pr79904.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/ubsan/pr79904.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/internal-fn.c
    trunk/gcc/testsuite/ChangeLog