From: Janus Weil <janus@gcc.gnu.org>
Date: Tue, 11 Sep 2018 06:33:39 +0000 (+0200)
Subject: re PR fortran/86830 (Contiguous array pointer function result not recognized as conti... 
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=f5da9bfb9e7b729db8243f656a1c7341e2d97655;p=gcc.git

re PR fortran/86830 (Contiguous array pointer function result not recognized as contiguous)

fix PR 86830

2018-09-11  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/86830
	* expr.c (gfc_is_simply_contiguous): Handle type-bound procedure calls
	with non-polymorphic objects.

2018-09-11  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/86830
	* gfortran.dg/typebound_call_30.f90: New test case.

From-SVN: r264201
---

diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index 97d97e845bd..64acb7a2735 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,9 @@
+2018-09-11  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/86830
+	* expr.c (gfc_is_simply_contiguous): Handle type-bound procedure calls
+	with non-polymorphic objects.
+
 2018-09-10  Janus Weil  <janus@gcc.gnu.org>
 
 	PR fortran/85395
diff --git a/gcc/fortran/expr.c b/gcc/fortran/expr.c
index c5bf822cd24..97792fe32a7 100644
--- a/gcc/fortran/expr.c
+++ b/gcc/fortran/expr.c
@@ -5385,16 +5385,13 @@ gfc_is_simply_contiguous (gfc_expr *expr, bool strict, bool permit_element)
 	return expr->value.function.esym->result->attr.contiguous;
       else
 	{
-	  /* We have to jump through some hoops if this is a vtab entry.  */
-	  gfc_symbol *s;
-	  gfc_ref *r, *rc;
-
-	  s = expr->symtree->n.sym;
-	  if (s->ts.type != BT_CLASS)
+	  /* Type-bound procedures.  */
+	  gfc_symbol *s = expr->symtree->n.sym;
+	  if (s->ts.type != BT_CLASS && s->ts.type != BT_DERIVED)
 	    return false;
 
-	  rc = NULL;
-	  for (r = expr->ref; r; r = r->next)
+	  gfc_ref *rc = NULL;
+	  for (gfc_ref *r = expr->ref; r; r = r->next)
 	    if (r->type == REF_COMPONENT)
 	      rc = r;
 
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index dd0f878abc5..2af919b99fe 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2018-09-11  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/86830
+	* gfortran.dg/typebound_call_30.f90: New test case.
+
 2018-09-10  Janus Weil  <janus@gcc.gnu.org>
 
 	PR fortran/85395
diff --git a/gcc/testsuite/gfortran.dg/typebound_call_30.f90 b/gcc/testsuite/gfortran.dg/typebound_call_30.f90
new file mode 100644
index 00000000000..3ca63bd2a95
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/typebound_call_30.f90
@@ -0,0 +1,32 @@
+! { dg-do compile }
+!
+! PR 86830: [8/9 Regression] Contiguous array pointer function result not recognized as contiguous
+!
+! Contributed by <only_for_nouse@gmx.de>
+
+module m
+  implicit none
+
+  type :: t1
+   contains
+     procedure :: get_ptr
+  end type
+
+  type :: t2
+     class(t1), allocatable :: c
+  end type
+
+contains
+
+  function get_ptr(this)
+    class(t1) :: this
+    real, dimension(:), contiguous, pointer :: get_ptr
+  end function
+
+  subroutine test()
+    real, dimension(:), contiguous, pointer:: ptr
+    type(t2) :: x
+    ptr => x%c%get_ptr()
+  end subroutine
+
+end module