lex.c (do_identifier): Don't lookup_name for operators.

gcp/ChangeLog:
	* lex.c (do_identifier): Don't lookup_name for operators.
	* parse.y (operator): Save looking_for_typename.
	(unoperator): Restore it.
	* spew.c (frob_opname): Use nth_token for lookahead.
testsuite/ChangeLog:
	* g++.old-deja/g++.pt/operator1.C: New test.

From-SVN: r37340

gcc/cp/ChangeLog

+2000-11-09  Nathan Sidwell  <nathan@codesourcery.com>
+
+	* lex.c (do_identifier): Don't lookup_name for operators.
+	* parse.y (operator): Save looking_for_typename.
+	(unoperator): Restore it.
+	* spew.c (frob_opname): Use nth_token for lookahead.
+
 2000-11-08  Nathan Sidwell  <nathan@codesourcery.com>
 
 	* decl.c (grok_op_properties): Always use coerce_new_type and

gcc/cp/lex.c

@@ -1264,7 +1264,7 @@ do_identifier (token, parsing, args)
   register tree id;
   int lexing = (parsing == 1);
 
-  if (! lexing || IDENTIFIER_OPNAME_P (token))
+  if (! lexing)
     id = lookup_name (token, 0);
   else
     id = lastiddecl;

gcc/cp/parse.y

@@ -3747,9 +3747,11 @@ operator:
         OPERATOR
         {
 	  saved_scopes = tree_cons (got_scope, got_object, saved_scopes);
+	  TREE_LANG_FLAG_0 (saved_scopes) = looking_for_typename;
 	  /* We look for conversion-type-id's in both the class and current
 	     scopes, just as for ID in 'ptr->ID::'.  */
-	  looking_for_typename = 1; got_object = got_scope;
+	  looking_for_typename = 1;
+	  got_object = got_scope;
           got_scope = NULL_TREE;
 	}
         ;
@@ -3757,7 +3759,9 @@ operator:
 unoperator:
         { got_scope = TREE_PURPOSE (saved_scopes);
           got_object = TREE_VALUE (saved_scopes);
-          saved_scopes = TREE_CHAIN (saved_scopes); }
+	  looking_for_typename = TREE_LANG_FLAG_0 (saved_scopes);
+          saved_scopes = TREE_CHAIN (saved_scopes);
+	}
         ;
 
 operator_name:

gcc/cp/spew.c

@@ -956,7 +956,8 @@ frob_id (yyc, peek, idp)
 tree frob_opname (id)
      tree id;
 {
-  frob_id (0, yychar, &id);
+  scan_tokens (0);
+  frob_id (0, nth_token (0)->yychar, &id);
   got_object = NULL_TREE;
   return id;
 }

gcc/testsuite/ChangeLog

+2000-11-09  Nathan Sidwell  <nathan@codesourcery.com>
+
+	* g++.old-deja/g++.pt/operator1.C: New test.
+
 2000-11-09  Jakub Jelinek  <jakub@redhat.com>
 
 	* gcc.dg/20001108-1.c: New test.

gcc/testsuite/g++.old-deja/g++.pt/operator1.C

+// Build don't link:
+// Copyright (C) 2000 Free Software Foundation, Inc.
+// Contributed by Nathan Sidwell 7 Nov 2000 <nathan@codesourcery.com>
+// Origin: bug 510 wolfgang.bangerth@iwr.uni-heidelberg.de
+
+struct Example {
+template <class U> void operator= (U);
+};
+
+template <>
+void Example::operator=<double> (double);