re PR fortran/49690 (ICE in gfc_typenode_for_spec, at fortran/trans-types.c:1019)

2011-07-10  Tobias Burnus  <burnus@net-b.de>

        PR fortran/49690
        * intrinsic.c (add_functions): Use BT_VOID for 2nd argument of
        * SIGNAL.

2011-07-10  Tobias Burnus  <burnus@net-b.de>

        PR fortran/49690
        * gfortran.dg/intrinsic_signal.f90: New.

From-SVN: r176121

gcc/fortran/ChangeLog

+2011-07-10  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/49690
+	* intrinsic.c (add_functions): Use BT_VOID for 2nd argument of SIGNAL.
+
 2011-07-09  Uros Bizjak  <ubizjak@gmail.com>
 
 	PR fortran/48926

gcc/fortran/intrinsic.c

@@ -2594,7 +2594,7 @@ add_functions (void)
 
   add_sym_2 ("signal", GFC_ISYM_SIGNAL, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER,
 	     di, GFC_STD_GNU, gfc_check_signal, NULL, gfc_resolve_signal,
-	     num, BT_INTEGER, di, REQUIRED, han, BT_UNKNOWN, 0, REQUIRED);
+	     num, BT_INTEGER, di, REQUIRED, han, BT_VOID, 0, REQUIRED);
 
   make_generic ("signal", GFC_ISYM_SIGNAL, GFC_STD_GNU);
 

gcc/testsuite/ChangeLog

+2011-07-10  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/49690
+	* gfortran.dg/intrinsic_signal.f90: New.
+
 2011-07-09  Jason Merrill  <jason@redhat.com>
 
 	* g++.dg/cpp0x/regress/regress6.C: New.

gcc/testsuite/gfortran.dg/intrinsic_signal.f90

+! { dg-do compile }
+!
+! PR fortran/49690
+!
+! Reduced test case, based on the one of Debian bug #631204
+!
+
+subroutine ctrlc_ast
+   common /xinterrupt/ interrupted
+   logical interrupted
+   interrupted = .true.
+end subroutine ctrlc_ast  
+
+subroutine set_ctrl_c(ctrlc_ast)
+   external ctrlc_ast
+   intrinsic signal
+   integer old_handle
+   common /xinterrupt/ interrupted
+   logical interrupted
+   old_handler = signal(2, ctrlc_ast)    
+end subroutine set_ctrl_c