Fix PR/2213

cp/
        Fix PR/2213
        * cvt.c (cp_convert_to_pointer): Reject conversions from integral
        expressions to pointer-to-data-member of pointer-to-member-functions.

testsuite/
        * g++.dg/other/conversion1.C: New test.

From-SVN: r56039

gcc/cp/ChangeLog

+2002-08-04  Gabriel Dos Reis  <gdr@nerim.net>
+
+	Fix PR/2213
+	* cvt.c (cp_convert_to_pointer): Reject conversions from integral
+	expressions to pointer-to-data-member of pointer-to-member-functions.
+
 2002-08-04  Geoffrey Keating  <geoffk@redhat.com>
 
 	* cvt.c (ocp_convert): Delete obsolete code.

gcc/cp/cvt.c

@@ -256,6 +256,12 @@ cp_convert_to_pointer (type, expr, force)
       force_fit_type (expr, 0);
       return expr;
     }
+  else if ((TYPE_PTRMEM_P (type) || TYPE_PTRMEMFUNC_P (type))
+	   && INTEGRAL_CODE_P (form))
+    {
+      error ("invalid conversion from '%T' to '%T'", intype, type);
+      return error_mark_node;
+    }
 
   if (INTEGRAL_CODE_P (form))
     {

gcc/testsuite/ChangeLog

+2002-08-04  Gabriel Dos Reis  <gdr@nerim.net>
+
+	* g++.dg/other/conversion1.C: New test.
+
 2002-08-03  Roger Sayle  <roger@eyesopen.com>
 
 	* gcc.dg/builtins-1.c: New testcase.

gcc/testsuite/g++.dg/other/conversion1.C

+// PR C++/2213
+// Origin: philippeb@corel.com
+// Copyright (C), 2002 Free Software Foundation
+// Contributed by Gabriel Dos Reis <gdr@integrable-solutions.net>
+
+// { dg-do compile } 
+ 
+class QObject
+{
+};
+
+int main()
+{
+  long long m;
+  
+  (void (QObject::*)()) m;    // { dg-error "invalid conversion" "" }
+}