r239660 - in /branches/gcc-6-branch/gcc: Change...

[ktkachov@gcc.gnu.org]

Author: ktkachov
Date: Mon Aug 22 14:28:05 2016
New Revision: 239660

URL: https://gcc.gnu.org/viewcvs?rev=239660&root=gcc&view=rev
Log:
[expr.c] PR middle-end/71700: zero-extend sub-word value when widening constructor element

	Backport from mainline
	2016-07-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	PR middle-end/71700
	* expr.c (store_constructor): Mask sign-extended bits when widening
	sub-word constructor element at the start of a word.

	* gcc.c-torture/execute/pr71700.c: New test.


Added:
    branches/gcc-6-branch/gcc/testsuite/gcc.c-torture/execute/pr71700.c
Modified:
    branches/gcc-6-branch/gcc/ChangeLog
    branches/gcc-6-branch/gcc/expr.c
    branches/gcc-6-branch/gcc/testsuite/ChangeLog