stmt.c (expand_expr_stmt): Must generate code for statements within an expression (gcc's `({ ...

        * stmt.c (expand_expr_stmt): Must generate code for
        statements within an expression (gcc's `({ ... )}')
        even if -fsyntax-only.
Patch from Craig.

From-SVN: r18865

gcc/ChangeLog

+Sat Mar 28 01:37:33 1998  Craig Burley  <burley@gnu.ai.mit.edu>
+
+	* stmt.c (expand_expr_stmt): Must generate code for
+	statements within an expression (gcc's `({ ... )}')
+	even if -fsyntax-only.
+
 Sat Mar 28 01:06:12 1998  Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
 			  Jeffrey A Law  (law@cygnus.com)
 

gcc/stmt.c

@@ -1536,7 +1536,7 @@ expand_expr_stmt (exp)
     exp = build1 (ADDR_EXPR, build_pointer_type (TREE_TYPE (exp)), exp);
 
   last_expr_type = TREE_TYPE (exp);
-  if (! flag_syntax_only)
+  if (! flag_syntax_only || expr_stmts_for_value)
     last_expr_value = expand_expr (exp,
 				   (expr_stmts_for_value
 				    ? NULL_RTX : const0_rtx),