re PR c++/157 (Duplicate error message for invalid elaborated type specifier)

	PR c++/157
	* parser.c (cp_parser_direct_declarator): Clear
	parser->num_template_parameter_lists when parsing function
	parameters.
	(cp_parser_constructor_declarator_p): Likewise.

	* g++.dg/parse/crash12.C: New test.

From-SVN: r71605

4 files changed, 59 insertions, 0 deletions

diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index a18706b38c4..b7d65feb4d9 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,11 @@
+2003-09-20  Kriang Lerdsuwanakij  <lerdsuwa@users.sourceforge.net>
+
+	PR c++/157
+	* parser.c (cp_parser_direct_declarator): Clear
+	parser->num_template_parameter_lists when parsing function
+	parameters.
+	(cp_parser_constructor_declarator_p): Likewise.
+
 2003-09-19  Kriang Lerdsuwanakij  <lerdsuwa@users.sourceforge.net>
 
 	PR c++/495
diff --git a/gcc/cp/parser.c b/gcc/cp/parser.c
index 73fc6c791cc..4114aeaa24d 100644
--- a/gcc/cp/parser.c
+++ b/gcc/cp/parser.c
@@ -9720,6 +9720,7 @@ cp_parser_direct_declarator (cp_parser* parser,
 	  if (!first || dcl_kind != CP_PARSER_DECLARATOR_NAMED)
 	    {
 	      tree params;
+	      unsigned saved_num_template_parameter_lists;
 	      
 	      cp_parser_parse_tentatively (parser);
 
@@ -9733,9 +9734,18 @@ cp_parser_direct_declarator (cp_parser* parser,
 		  parser->in_declarator_p = true;
 		}
 	  
+	      /* Inside the function parameter list, surrounding
+		 template-parameter-lists do not apply.  */
+	      saved_num_template_parameter_lists
+		= parser->num_template_parameter_lists;
+	      parser->num_template_parameter_lists = 0;
+
 	      /* Parse the parameter-declaration-clause.  */
 	      params = cp_parser_parameter_declaration_clause (parser);
 
+	      parser->num_template_parameter_lists
+		= saved_num_template_parameter_lists;
+
 	      /* If all went well, parse the cv-qualifier-seq and the
 	     	 exception-specification.  */
 	      if (cp_parser_parse_definitely (parser))
@@ -13436,6 +13446,7 @@ cp_parser_constructor_declarator_p (cp_parser *parser, bool friend_p)
 	  && !cp_parser_storage_class_specifier_opt (parser))
 	{
 	  tree type;
+	  unsigned saved_num_template_parameter_lists;
 
 	  /* Names appearing in the type-specifier should be looked up
 	     in the scope of the class.  */
@@ -13456,6 +13467,13 @@ cp_parser_constructor_declarator_p (cp_parser *parser, bool friend_p)
 		}
 	      push_scope (type);
 	    }
+
+	  /* Inside the constructor parameter list, surrounding
+	     template-parameter-lists do not apply.  */
+	  saved_num_template_parameter_lists
+	    = parser->num_template_parameter_lists;
+	  parser->num_template_parameter_lists = 0;
+
 	  /* Look for the type-specifier.  */
 	  cp_parser_type_specifier (parser,
 				    CP_PARSER_FLAGS_NONE,
@@ -13463,6 +13481,10 @@ cp_parser_constructor_declarator_p (cp_parser *parser, bool friend_p)
 				    /*is_declarator=*/true,
 				    /*declares_class_or_enum=*/NULL,
 				    /*is_cv_qualifier=*/NULL);
+
+	  parser->num_template_parameter_lists
+	    = saved_num_template_parameter_lists;
+
 	  /* Leave the scope of the class.  */
 	  if (type)
 	    pop_scope (type);
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index fbf56c003e1..9e3728911c3 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2003-09-20  Kriang Lerdsuwanakij  <lerdsuwa@users.sourceforge.net>
+
+	PR c++/157
+	* g++.dg/parse/crash12.C: New test.
+
 2003-09-19  Janis Johnson  <janis187@us.ibm.com>
 
 	* gcc.dg/compat/mixed-struct-check.h: New.
diff --git a/gcc/testsuite/g++.dg/parse/crash12.C b/gcc/testsuite/g++.dg/parse/crash12.C
new file mode 100644
index 00000000000..cf947b27787
--- /dev/null
+++ b/gcc/testsuite/g++.dg/parse/crash12.C
@@ -0,0 +1,24 @@
+// { dg-do compile }
+
+// Origin: Martin von Loewis <martin@v.loewis.de>
+
+// PR c++/157: Incorrect type/template decision in function parameter.
+
+template <class _Tp> class auto_ptr {};
+template <class _Tp>
+class counted_ptr
+{
+public:
+  counted_ptr(auto_ptr<_Tp>& __a);		// { dg-error "candidate" }
+  auto_ptr<_Tp> auto_ptr();
+};
+
+template <class _Tp>
+inline counted_ptr<_Tp>::counted_ptr(class auto_ptr& __a) // { dg-error "required" }
+{						// { dg-error "no type|not match|template" }
+}
+
+template <class _Tp>
+inline class auto_ptr<_Tp> counted_ptr<_Tp>::auto_ptr() 
+{
+}