re PR c++/27371 (Does not warn about unused function result (__attribute__((warn_unused_result))))

        PR c++/27371
        * cvt.c (convert_to_void): Enable previous change.

From-SVN: r116765

gcc/cp/ChangeLog

 2006-09-07  Jason Merrill  <jason@redhat.com>
 
+	PR c++/27371
+	* cvt.c (convert_to_void): Enable previous change.
+
 	PR c++/26957
 	* method.c (use_thunk): Clear DECL_HAS_VALUE_EXPR_P on copied
 	parms.

gcc/cp/cvt.c

@@ -897,7 +897,7 @@ convert_to_void (tree expr, const char *implicit)
 	 we don't use it and don't need to destroy it.  We'll still
 	 allocate space for it in expand_call or declare_return_variable,
 	 but we don't need to track it through all the tree phases.  */
-      if (0 && TARGET_EXPR_IMPLICIT_P (expr)
+      if (TARGET_EXPR_IMPLICIT_P (expr)
 	  && TYPE_HAS_TRIVIAL_DESTRUCTOR (TREE_TYPE (expr)))
 	{
 	  tree init = TARGET_EXPR_INITIAL (expr);