typeck.c (build_binary_op_nodefault): Change % in format strings to %%.

	* typeck.c (build_binary_op_nodefault): Change % in format strings
	to %%.
	* decl.c (grokvardecl): Don't build_static_name for decls that
	aren't at namespace scope.
	* init.c (perform_member_init): Catch default-initialization of
	references.

From-SVN: r20547

gcc/cp/ChangeLog

+1998-06-17  Jason Merrill  <jason@yorick.cygnus.com>
+
+	* typeck.c (build_binary_op_nodefault): Change % in format strings
+	to %%.
+
+	* decl.c (grokvardecl): Don't build_static_name for decls that
+	aren't at namespace scope.
+
+	* init.c (perform_member_init): Catch default-initialization of
+	references.
+
 1998-06-17  Mark Mitchell  <mark@markmitchell.com>
 
 	* errfn.c (cp_thing): Handle the `%%' formatting sequence.
@@ -139,7 +150,7 @@
 
 1998-06-10  Jason Merrill  <jason@yorick.cygnus.com>
 
-	* init.c (resolve_offset_ref): Handle default-initialization.
+	* init.c (perform_member_init): Handle default-initialization.
 
 	* except.c (build_throw): Handle throwing NULL.
 

gcc/cp/decl.c

@@ -7848,7 +7848,7 @@ grokvardecl (type, declarator, specbits_in, initialized, constp, in_namespace)
     {
       tree context = in_namespace ? in_namespace : current_namespace;
       decl = build_decl (VAR_DECL, declarator, complete_type (type));
-      if (context != global_namespace && declarator)
+      if (context != global_namespace && namespace_bindings_p ())
 	DECL_ASSEMBLER_NAME (decl) =  build_static_name (context,
 							 declarator);
     }

gcc/cp/init.c

@@ -200,6 +200,12 @@ perform_member_init (member, name, init, explicit)
 	      /* default-initialization.  */
 	      if (AGGREGATE_TYPE_P (type))
 		init = build (CONSTRUCTOR, type, NULL_TREE, NULL_TREE);
+	      else if (TREE_CODE (type) == REFERENCE_TYPE)
+		{
+		  cp_error ("default-initialization of `%#D', which has reference type",
+			    member);
+		  init = error_mark_node;
+		}
 	      else
 		init = integer_zero_node;
 	    }

gcc/cp/typeck.c

@@ -3354,9 +3354,9 @@ build_binary_op_nodefault (code, orig_op0, orig_op1, error_code)
     case TRUNC_MOD_EXPR:
     case FLOOR_MOD_EXPR:
       if (code1 == INTEGER_TYPE && integer_zerop (op1))
-	cp_warning ("division by zero in `%E % 0'", op0);
+	cp_warning ("division by zero in `%E %% 0'", op0);
       else if (code1 == REAL_TYPE && real_zerop (op1))
-	cp_warning ("division by zero in `%E % 0.'", op0);
+	cp_warning ("division by zero in `%E %% 0.'", op0);
       
       if (code0 == INTEGER_TYPE && code1 == INTEGER_TYPE)
 	{