gcc
	* c-parser.c (c_parser_omp_atomic): Pass location of assignment
	operator to c_finish_omp_atomic.
	* c-typeck.c (lvalue_or_else): Add 'loc' argument.
	(build_unary_op): Update.
	(build_modify_expr): Update.
	(build_asm_expr): Update.
gcc/cp
	* typeck.c (cp_build_addr_expr_1): Update call to lvalue_error.
	(lvalue_or_else): Likewise.
gcc/c-family
	* c-common.h (lvalue_error): Update.
	* c-common.c (lvalue_error): Add 'loc' argument.  Call error_at,
	not error.

From-SVN: r168514