re PR fortran/48291 ([OOP] internal compiler error, new_symbol(): Symbol name too long)

2011-03-26  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/48291
	* class.c (get_unique_hashed_string): Adjust maximum allowable length
	for unique type string.

2011-03-26  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/48291
	* gfortran.dg/class_42.f03: New.

From-SVN: r171559

gcc/fortran/ChangeLog

+2011-03-26  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/48291
+	* class.c (get_unique_hashed_string): Adjust maximum allowable length
+	for unique type string.
+
 2011-03-25  Kai Tietz  <ktietz@redhat.com>
 
 	* scanner.c (preprocessor_line): Use filename_cmp

gcc/fortran/class.c

@@ -137,9 +137,9 @@ get_unique_hashed_string (char *string, gfc_symbol *derived)
 {
   char tmp[2*GFC_MAX_SYMBOL_LEN+2];
   get_unique_type_string (&tmp[0], derived);
-  /* If string is too long, use hash value in hex representation
-     (allow for extra decoration, cf. gfc_build_class_symbol)*/
-  if (strlen (tmp) > GFC_MAX_SYMBOL_LEN - 10)
+  /* If string is too long, use hash value in hex representation (allow for
+     extra decoration, cf. gfc_build_class_symbol & gfc_find_derived_vtab).  */
+  if (strlen (tmp) > GFC_MAX_SYMBOL_LEN - 11)
     {
       int h = gfc_hash_value (derived);
       sprintf (string, "%X", h);

gcc/testsuite/ChangeLog

+2011-03-26  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/48291
+	* gfortran.dg/class_42.f03: New.
+
 2011-03-26  Ira Rosen  <ira.rosen@linaro.org>
 
 	* gcc.dg/vect/vect-cselim-1.c: Fail on targets that don't support

gcc/testsuite/gfortran.dg/class_42.f03

+! { dg-do compile }
+!
+! PR 48291: [4.6/4.7 Regression] [OOP] internal compiler error, new_symbol(): Symbol name too long
+!
+! Contributed by Adrian Prantl <adrian@llnl.gov>
+
+module Overload_AnException_Impl
+  type :: Overload_AnException_impl_t
+  end type
+contains
+  subroutine ctor_impl(self)
+    class(Overload_AnException_impl_t) :: self
+  end subroutine
+end module 
+
+! { dg-final { cleanup-modules "Overload_AnException_Impl" } }