[Patch, fortran] PR37597 - internal procedure fails to access host-associated module procedure

[Paul Richard Thomas]

Bootstrapped and regtested on FC9/x86_i64 - committed as 'obvious'.

In fact, this is just plain and simple an error, which I'll fix on 4.3
in a week.

Cheers

Paul

Index: gcc/fortran/ChangeLog
===================================================================
--- gcc/fortran/ChangeLog	(revision 141587)
+++ gcc/fortran/ChangeLog	(working copy)
@@ -1,3 +1,9 @@
+2008-11-04  Paul Thomas  <pault@gcc.gnu.org>
+
+        PR fortran/37597
+        * parse.c (gfc_fixup_sibling_symbols ): Fixup contained, even
+	when symbol not found.
+
 2008-11-03  Tobias Burnus  <burnus@net-b.de>

 	PR fortran/37821
Index: gcc/fortran/parse.c
===================================================================
--- gcc/fortran/parse.c	(revision 141587)
+++ gcc/fortran/parse.c	(working copy)
@@ -3313,7 +3313,7 @@
       gfc_find_sym_tree (sym->name, ns, 0, &st);

       if (!st || (st->n.sym->attr.dummy && ns == st->n.sym->ns))
-	continue;
+	goto fixup_contained;

       old_sym = st->n.sym;
       if (old_sym->ns == ns
@@ -3347,6 +3347,7 @@
 	    gfc_free_symbol (old_sym);
 	}

+fixup_contained:
       /* Do the same for any contained procedures.  */
       gfc_fixup_sibling_symbols (sym, ns->contained);
     }
Index: gcc/testsuite/ChangeLog
===================================================================
--- gcc/testsuite/ChangeLog	(revision 141587)
+++ gcc/testsuite/ChangeLog	(working copy)
@@ -1,3 +1,8 @@
+2008-11-04  Paul Thomas  <pault@gcc.gnu.org>
+
+        PR fortran/37597
+        * gfortran.dg/host_assoc_call_5.f90: New test.
+
 2008-11-04  Jakub Jelinek  <jakub@redhat.com>
 	    Andrew Pinski  <andrew_pinski@playstation.sony.com>

Index: gcc/testsuite/gfortran.dg/host_assoc_call_5.f90
===================================================================
--- gcc/testsuite/gfortran.dg/host_assoc_call_5.f90	(revision 0)
+++ gcc/testsuite/gfortran.dg/host_assoc_call_5.f90	(revision 0)
@@ -0,0 +1,21 @@
+! { dg-do compile }
+! Tests the fix for PR37597, where the reference to other_sub would generate
+! Error: Symbol 'other_sub' at (1) has no IMPLICIT type.
+!
+! Contributed by Tobias Burnus <burnus@gcc.gnu.org>
+! from a report on clf by Rich Townsend <rhdt@barvoidtol.udel.edu>
+!
+module foo
+   implicit none
+contains
+   subroutine main_sub ()
+     call internal_sub()
+   contains
+     subroutine internal_sub()
+       call QAG(other_sub)
+     end subroutine internal_sub
+   end subroutine main_sub
+   subroutine other_sub ()
+   end subroutine other_sub
+end module foo
+! { dg-final { cleanup-modules "foo" } }