From: Josh Conner <jconner@apple.com>
Date: Fri, 28 Oct 2005 17:58:59 +0000 (+0000)
Subject: re PR c++/22153 (ICE on invalid template specialization)
X-Git-Tag: releases/gcc-4.1.0~1179
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=7e2a12d3e4b115dce045eacf757f5c5bf61ad271;p=thirdparty%2Fgcc.git

re PR c++/22153 (ICE on invalid template specialization)

PR c++/22153
* cp/parser.c (cp_parser_member_declaration): Detect and handle
a template specialization.
* testsuite/g++.dg/template/crash38.C: New test.
* testsuite/g++.dg/parse/explicit1.C: Change expected errors.

From-SVN: r105944
---

diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index d2ec158c9058..fed864d7f08e 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,9 @@
+2005-10-28  Josh Conner  <jconner@apple.com>
+
+	PR c++/22153
+	* parser.c (cp_parser_member_declaration): Detect and handle
+	a template specialization.
+
 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
 
 	PR C++/23426
diff --git a/gcc/cp/parser.c b/gcc/cp/parser.c
index 25f25ce69ec6..a065c2569acb 100644
--- a/gcc/cp/parser.c
+++ b/gcc/cp/parser.c
@@ -13240,8 +13240,13 @@ cp_parser_member_declaration (cp_parser* parser)
   /* Check for a template-declaration.  */
   if (cp_lexer_next_token_is_keyword (parser->lexer, RID_TEMPLATE))
     {
-      /* Parse the template-declaration.  */
-      cp_parser_template_declaration (parser, /*member_p=*/true);
+      /* An explicit specialization here is an error condition, and we
+	 expect the specialization handler to detect and report this.  */
+      if (cp_lexer_peek_nth_token (parser->lexer, 2)->type == CPP_LESS
+	  && cp_lexer_peek_nth_token (parser->lexer, 3)->type == CPP_GREATER)
+	cp_parser_explicit_specialization (parser);
+      else
+	cp_parser_template_declaration (parser, /*member_p=*/true);
 
       return;
     }
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index bd5ff267abcd..85a10d838196 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,9 @@
+2005-10-28  Josh Conner  <jconner@apple.com>
+
+	PR c++/22153
+	* g++.dg/template/crash38.C: New test.
+	* g++.dg/parse/explicit1.C: Change expected errors.
+
 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
 
 	PR C++/23426
diff --git a/gcc/testsuite/g++.dg/crash38.C b/gcc/testsuite/g++.dg/crash38.C
new file mode 100644
index 000000000000..d36ced473abf
--- /dev/null
+++ b/gcc/testsuite/g++.dg/crash38.C
@@ -0,0 +1,10 @@
+// { dg-do compile }
+
+// PR c++/22153
+
+template<int> void foo();
+
+template<int> struct A
+{
+    template<> friend void foo<0>(); // { dg-error "" }
+};
diff --git a/gcc/testsuite/g++.dg/parse/explicit1.C b/gcc/testsuite/g++.dg/parse/explicit1.C
index ced2adc3dc09..35358749e1d0 100644
--- a/gcc/testsuite/g++.dg/parse/explicit1.C
+++ b/gcc/testsuite/g++.dg/parse/explicit1.C
@@ -7,5 +7,5 @@
 
 struct foo { 
         template<typename T> void bar (T &t) {}
-        template<> void bar<double>(double &t) {} // { dg-error "explicit|non-namespace|member" }
+        template<> void bar<double>(double &t) {} // { dg-error "non-namespace|template|function" }
 };