r256053 - in /trunk/gcc: ChangeLog expr.c tests...

[jakub@gcc.gnu.org]

Author: jakub
Date: Sun Dec 31 23:52:01 2017
New Revision: 256053

URL: https://gcc.gnu.org/viewcvs?rev=256053&root=gcc&view=rev
Log:
	PR middle-end/83608
	* expr.c (store_expr_with_bounds): Use simplify_gen_subreg instead of
	convert_modes if target mode has the right side, but different mode
	class.

	* g++.dg/opt/pr83608.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/opt/pr83608.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/expr.c
    trunk/gcc/testsuite/ChangeLog