r261933 - in /branches/gcc-7-branch/gcc: cp/Cha...

[jakub@gcc.gnu.org]

Author: jakub
Date: Fri Jun 22 20:54:44 2018
New Revision: 261933

URL: https://gcc.gnu.org/viewcvs?rev=261933&root=gcc&view=rev
Log:
	Backported from mainline
	2018-03-21  Jakub Jelinek  <jakub@redhat.com>

	PR c++/84961
	* cp-tree.h (genericize_compound_lvalue): Declare.
	* typeck.c (genericize_compound_lvalue): New function.
	(unary_complex_lvalue, cp_build_modify_expr): Use it.
	* semantics.c (finish_asm_stmt): Replace MODIFY_EXPR, PREINCREMENT_EXPR
	and PREDECREMENT_EXPR in output and "m" constrained input operands with
	COMPOUND_EXPR.  Call cxx_mark_addressable on the rightmost
	COMPOUND_EXPR operand.

	* c-c++-common/pr43690.c: Don't expect errors on "m" (--x) and
	"m" (++x) in C++.
	* g++.dg/torture/pr84961-1.C: New test.
	* g++.dg/torture/pr84961-2.C: New test.

Added:
    branches/gcc-7-branch/gcc/testsuite/g++.dg/torture/pr84961-1.C
    branches/gcc-7-branch/gcc/testsuite/g++.dg/torture/pr84961-2.C
Modified:
    branches/gcc-7-branch/gcc/cp/ChangeLog
    branches/gcc-7-branch/gcc/cp/cp-tree.h
    branches/gcc-7-branch/gcc/cp/semantics.c
    branches/gcc-7-branch/gcc/cp/typeck.c
    branches/gcc-7-branch/gcc/testsuite/ChangeLog
    branches/gcc-7-branch/gcc/testsuite/c-c++-common/pr43690.c