re PR c++/5125 (both g++ 3.0.1 and 2.95.3 crash with internal error when trying…

re PR c++/5125 (both g++ 3.0.1 and 2.95.3 crash with internal error when trying compile template method with parameter pointer to method)

cp:
	PR c++/5125
	* pt.c (push_template_decl_real): Make sure DECL has
	DECL_LANG_SPECIFIC.
testsuite:
	* g++.dg/template/crash1.C: New test.

From-SVN: r48370

gcc/cp/ChangeLog

 2001-12-29  Nathan Sidwell  <nathan@codesourcery.com>
 
+	PR c++/5125
+	* pt.c (push_template_decl_real): Make sure DECL has
+	DECL_LANG_SPECIFIC.
+
+2001-12-29  Nathan Sidwell  <nathan@codesourcery.com>
+
 	PR c++/335
 	* init.c (resolve_offset_ref): Copy cv qualifiers of this pointer
 	for non-reference fields.

gcc/cp/pt.c

@@ -2627,7 +2627,7 @@ push_template_decl_real (decl, is_friend)
 	      return decl;
 	    }
 	}
-      else if (! DECL_TEMPLATE_INFO (decl))
+      else if (!DECL_LANG_SPECIFIC (decl) || !DECL_TEMPLATE_INFO (decl))
 	{
 	  error ("template definition of non-template `%#D'", decl);
 	  return decl;

gcc/testsuite/ChangeLog

 2001-12-29  Nathan Sidwell  <nathan@codesourcery.com>
 
+	* g++.dg/template/crash1.C: New test.
+
+2001-12-29  Nathan Sidwell  <nathan@codesourcery.com>
+
 	* g++.dg/other/const1.C: New test.
 
 2001-12-29  Hans-Peter Nilsson  <hp@bitrange.com>

gcc/testsuite/g++.dg/template/crash1.C

+// { dg-do compile }
+
+// Copyright (C) 2001 Free Software Foundation, Inc.
+// Contributed by Nathan Sidwell 29 Dec 2001 <nathan@nathan@codesourcery.com>
+
+// PR 5125. ICE
+
+class S
+{
+  public:
+  template <class I> void Foo(int (*f)(S& o) ); // { dg-error "candidate" "" }
+};
+
+template <class I>
+void S::Foo(int (*f)(TYPO&o) )
+{ // { dg-error "template definition of non-template|prototype" "" }
+}