c-common.c (c_common_truthvalue_conversion): Don't warn if TREE_NO_WARNING is set.

	* c-common.c (c_common_truthvalue_conversion): Don't warn if
	TREE_NO_WARNING is set.

cp/
	* cp-tree.h (C_SET_EXP_ORIGINAL_CODE): Remove.
	* decl2.c (grokfield): Don't check current_class_depth via
	unused TREE_COMPLEXITY.
	* semantics.c (finish_parenthesized_expr): Set TREE_NO_WARNING
	to avoid the missing parentheses warning.
	Don't set C_SET_EXP_ORIGINAL_CODE.

Co-Authored-By: Joseph Myers <jsm@polyomino.org.uk>

From-SVN: r84903

gcc/ChangeLog

+2004-07-10  Steven Bosscher  <stevenb@suse.de>
+	    Joseph S. Myers  <jsm@polyomino.org.uk>
+
+	* c-common.c (c_common_truthvalue_conversion): Don't warn if
+	TREE_NO_WARNING is set.
+
 2004-07-18  Roger Sayle  <roger@eyesopen.com>
 
 	* builtins.c (simplify_builtin_memcmp, simplify_builtin_strcmp,

gcc/c-common.c

@@ -2365,7 +2365,9 @@ c_common_truthvalue_conversion (tree expr)
       break;
 
     case MODIFY_EXPR:
-      if (warn_parentheses && C_EXP_ORIGINAL_CODE (expr) == MODIFY_EXPR)
+      if (warn_parentheses
+	  && C_EXP_ORIGINAL_CODE (expr) == MODIFY_EXPR
+	  && !TREE_NO_WARNING (expr))
 	warning ("suggest parentheses around assignment used as truth value");
       break;
 

gcc/cp/ChangeLog

+2004-07-10  Steven Bosscher  <stevenb@suse.de>
+	    Joseph S. Myers  <jsm@polyomino.org.uk>
+
+	* cp-tree.h (C_SET_EXP_ORIGINAL_CODE): Remove.
+	* decl2.c (grokfield): Don't check current_class_depth via
+	unused TREE_COMPLEXITY.
+	* semantics.c (finish_parenthesized_expr): Set TREE_NO_WARNING
+	to avoid the missing parentheses warning.
+	Don't set C_SET_EXP_ORIGINAL_CODE.
+
 2004-07-18  Mark Mitchell  <mark@codesourcery.com>
 
 	* mangle.c (write_expression): Issue a sorry for zero-operand

gcc/cp/cp-tree.h

@@ -370,10 +370,6 @@ typedef enum cp_id_kind
 #define C_TYPE_FIELDS_READONLY(TYPE) \
   (LANG_TYPE_CLASS_CHECK (TYPE)->fields_readonly)
 
-/* Store a value in that field.  */
-#define C_SET_EXP_ORIGINAL_CODE(EXP, CODE) \
-  (TREE_COMPLEXITY (EXP) = (int)(CODE))
-
 /* The tokens stored in the default argument.  */
 
 #define DEFARG_TOKENS(NODE) \

gcc/cp/decl2.c

@@ -816,15 +816,8 @@ grokfield (const cp_declarator *declarator,
       && TREE_CODE (declarator->u.id.name) == SCOPE_REF
       && (TREE_CODE (TREE_OPERAND (declarator->u.id.name, 1)) 
 	  == IDENTIFIER_NODE))
-    {
-      /* Access declaration */
-      if (! IS_AGGR_TYPE_CODE (TREE_CODE 
-			       (TREE_OPERAND (declarator->u.id.name, 0))))
-	;
-      else if (TREE_COMPLEXITY (declarator->u.id.name) == current_class_depth)
-	pop_nested_class ();
-      return do_class_using_decl (declarator->u.id.name);
-    }
+    /* Access declaration */
+    return do_class_using_decl (declarator->u.id.name);
 
   if (init
       && TREE_CODE (init) == TREE_LIST

gcc/cp/semantics.c

@@ -1231,7 +1231,7 @@ finish_parenthesized_expr (tree expr)
 {
   if (IS_EXPR_CODE_CLASS (TREE_CODE_CLASS (TREE_CODE (expr))))
     /* This inhibits warnings in c_common_truthvalue_conversion.  */
-    C_SET_EXP_ORIGINAL_CODE (expr, ERROR_MARK); 
+    TREE_NO_WARNING (expr) = 1;
 
   if (TREE_CODE (expr) == OFFSET_REF)
     /* [expr.unary.op]/3 The qualified id of a pointer-to-member must not be