re PR fortran/82932 ([OOP] ICE in update_compcall_arglist, at fortran/resolve.c:5837)

2017-11-11  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/82932
	* resolve.c (update_compcall_arglist): Improve error recovery,
	remove a gcc_assert.

2017-11-11  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/82932
	* gfortran.dg/typebound_call_29.f90: New test.

From-SVN: r254660

gcc/fortran/ChangeLog

+2017-11-11  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/82932
+	* resolve.c (update_compcall_arglist): Improve error recovery,
+	remove a gcc_assert.
+
 2017-11-10  Fritz Reese <fritzoreese@gmail.com>
 
 	PR fortran/82886

gcc/fortran/resolve.c

@@ -5834,7 +5834,9 @@ update_compcall_arglist (gfc_expr* e)
       return true;
     }
 
-  gcc_assert (tbp->pass_arg_num > 0);
+  if (tbp->pass_arg_num <= 0)
+    return false;
+
   e->value.compcall.actual = update_arglist_pass (e->value.compcall.actual, po,
 						  tbp->pass_arg_num,
 						  tbp->pass_arg);

gcc/testsuite/ChangeLog

+2017-11-11  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/82932
+	* gfortran.dg/typebound_call_29.f90: New test.
+
 2017-11-10  Fritz Reese <fritzoreese@gmail.com>
 
 	PR fortran/82886

gcc/testsuite/gfortran.dg/typebound_call_29.f90

+! { dg-do compile }
+!
+! PR 82932: [OOP] ICE in update_compcall_arglist, at fortran/resolve.c:5837
+!
+! Contributed by Janus Weil <janus@gcc.gnu.org>
+
+module m
+
+   implicit none
+
+   type, abstract :: AT
+   contains
+      procedure(init_ifc),    deferred :: sinit
+      procedure(missing_ifc), deferred :: missing
+      generic :: init    => sinit
+   end type
+
+   abstract interface
+      subroutine init_ifc(data)
+         import AT
+         class(AT) :: data
+      end subroutine
+      subroutine missing_ifc(data)
+         import AT
+         class(AT) :: data
+      end subroutine
+   end interface
+
+end module
+
+
+program p
+
+   use m
+
+   implicit none
+
+   type, extends(AT) :: ET  ! { dg-error "must be ABSTRACT" }
+   contains
+      procedure :: sinit
+   end type
+
+   type(ET) :: c
+   call c%init()
+
+end