c-common.c (c_expand_expr): Revert 2002-02-06 patch.

c-common.c (c_expand_expr): Revert 2002-02-06 patch.

	* c-common.c (c_expand_expr): Revert 2002-02-06 patch.
	* c-parse.in (compstmt): Clear last_expr_type.

	* parse.y (primary, primary_no_id): Use compstmt_or_stmtexpr
	instead of compstmt.
	(compstmt_or_stmtexpr): Renamed from compstmt.
	(compstmt): In addition to compstmt_or_stmtexpr clear last_expr_type.

	* gcc.c-torture/execute/20020206-1.c: Test whether nesting 2
	expression statements work instead.
	* gcc.dg/noncompile/20020207-1.c: New test.

From-SVN: r49609