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From: "anlauf at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug fortran/95373] [9/10/11 Regression] ICE in
 build_reference_type, at tree.c:7942
Date: Wed, 27 May 2020 20:04:22 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D95373

--- Comment #3 from anlauf at gcc dot gnu.org ---
Patch:

diff --git a/gcc/fortran/primary.c b/gcc/fortran/primary.c
index d73898473df..67105cc9ab1 100644
--- a/gcc/fortran/primary.c
+++ b/gcc/fortran/primary.c
@@ -1998,6 +1998,28 @@ is_inquiry_ref (const char *name, gfc_ref **ref)
   else
     return false;

+  switch (type)
+    {
+    case INQUIRY_RE:
+    case INQUIRY_IM:
+      if (!gfc_notify_std (GFC_STD_F2008, "RE or IM part_ref at %C"))
+       return false;
+      break;
+
+    case INQUIRY_KIND:
+      if (!gfc_notify_std (GFC_STD_F2003, "KIND part_ref at %C"))
+       return false;
+      break;
+
+    case INQUIRY_LEN:
+      if (!gfc_notify_std (GFC_STD_F2003, "LEN part_ref at %C"))
+       return false;
+      break;
+
+    default:
+      gcc_unreachable ();
+    }
+
   if (ref)
     {
       *ref =3D gfc_get_ref ();=