re PR fortran/86863 ([OOP][F2008] type-bound module procedure name not recognized)

2017-08-23  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/86863
	* resolve.c (resolve_typebound_call): If the TBP is not marked
	as a subroutine, check the specific symbol.

2017-08-23  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/86863
	* gfortran.dg/submodule_32.f08: New test.

From-SVN: r263799

4 files changed, 84 insertions, 3 deletions

diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index 56e9c95..4cbdc68 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,9 @@
+2017-08-23  Paul Thomas  <pault@gcc.gnu.org>
+
+	PR fortran/86863
+	* resolve.c (resolve_typebound_call): If the TBP is not marked
+	as a subroutine, check the specific symbol.
+
 2018-08-22  Thomas Koenig  <tkoenig@gcc.gnu.org>
 
 	* gfortran.texi: Mention that asynchronous I/O does
diff --git a/gcc/fortran/resolve.c b/gcc/fortran/resolve.c
index 4ad4dcf..43a8470 100644
--- a/gcc/fortran/resolve.c
+++ b/gcc/fortran/resolve.c
@@ -6266,9 +6266,17 @@ resolve_typebound_call (gfc_code* c, const char **name, bool *overridable)
   /* Check that's really a SUBROUTINE.  */
   if (!c->expr1->value.compcall.tbp->subroutine)
     {
-      gfc_error ("%qs at %L should be a SUBROUTINE",
-		 c->expr1->value.compcall.name, &c->loc);
-      return false;
+      if (!c->expr1->value.compcall.tbp->is_generic
+	  && c->expr1->value.compcall.tbp->u.specific
+	  && c->expr1->value.compcall.tbp->u.specific->n.sym
+	  && c->expr1->value.compcall.tbp->u.specific->n.sym->attr.subroutine)
+	c->expr1->value.compcall.tbp->subroutine = 1;
+      else
+	{
+	  gfc_error ("%qs at %L should be a SUBROUTINE",
+		     c->expr1->value.compcall.name, &c->loc);
+	  return false;
+	}
     }
 
   if (!check_typebound_baseobject (c->expr1))
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 8e70d05..d011aa7 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2017-08-23  Paul Thomas  <pault@gcc.gnu.org>
+
+	PR fortran/86863
+	* gfortran.dg/submodule_32.f08: New test.
+
 2018-08-22  Janus Weil  <janus@gcc.gnu.org>
 
 	PR fortran/86935
diff --git a/gcc/testsuite/gfortran.dg/submodule_32.f08 b/gcc/testsuite/gfortran.dg/submodule_32.f08
new file mode 100644
index 0000000..529015b8
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/submodule_32.f08
@@ -0,0 +1,62 @@
+! { dg-do run }
+!
+! Test the fix for PR86863, where the Type Bound Procedures were
+! not flagged as subroutines thereby causing an error at the call
+! statements.
+!
+! Contributed by Damian Rouson  <damian@sourceryinstitute.org>
+!
+module foo
+  implicit none
+  integer :: flag = 0
+  type bar
+  contains
+    procedure, nopass :: foobar
+    procedure, nopass :: barfoo
+  end type
+contains
+  subroutine foobar
+    flag = 1
+  end subroutine
+  subroutine barfoo
+    flag = 0
+  end subroutine
+end module
+
+module foobartoo
+  implicit none
+  interface
+    module subroutine set(object)
+      use foo
+      implicit none
+      type(bar) object
+    end subroutine
+    module subroutine unset(object)
+      use foo
+      implicit none
+      type(bar) object
+    end subroutine
+  end interface
+contains
+  module procedure unset
+    use foo, only : bar
+    call object%barfoo
+  end procedure
+end module
+
+submodule(foobartoo) subfoobar
+contains
+  module procedure set
+    use foo, only : bar
+    call object%foobar
+  end procedure
+end submodule
+
+  use foo
+  use foobartoo
+  type(bar) :: obj
+  call set(obj)
+  if (flag .ne. 1) stop 1
+  call unset(obj)
+  if (flag .ne. 0) stop 2
+end