revert: re PR c/28280 (bogus "statement with no effect" warning with VLA and typeof)

Revert:
        PR c/28280
        * c-parser.c (c_parser_typeof_specifier): Don't use
        c_finish_expr_stmt, open code desired semantics instead.

From-SVN: r115479

1 files changed, 1 insertions, 13 deletions

diff --git a/gcc/c-parser.c b/gcc/c-parser.c
index d59128480c8..32d2c5108bf 100644
--- a/gcc/c-parser.c
+++ b/gcc/c-parser.c
@@ -2164,19 +2164,7 @@ c_parser_typeof_specifier (c_parser *parser)
 	 is evaluated, this can be evaluated.  For now, we avoid
 	 evaluation when the context might.  */
       if (!skip_evaluation && was_vm)
-	{
-	  tree e = expr.value;
-
-	  /* If the expression is not of a type to which we cannot assign a line
-	     number, wrap the thing in a no-op NOP_EXPR.  */
-	  if (DECL_P (e) || CONSTANT_CLASS_P (e))
-	    e = build1 (NOP_EXPR, void_type_node, e);
-
-	  if (EXPR_P (e))
-	    SET_EXPR_LOCATION (e, input_location);
-
-	  add_stmt (e);
-	}
+	c_finish_expr_stmt (expr.value);
       pop_maybe_used (was_vm);
     }
   c_parser_skip_until_found (parser, CPP_CLOSE_PAREN, "expected %<)%>");