diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 59fc56447ac..1a659dba269 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2019-12-23  Thomas Schwinge  <thomas@codesourcery.com>
+
+	* c-c++-common/goacc/mdc-1.c: Restrict to LP64, LLP64.
+
 2019-12-23  Richard Sandiford  <richard.sandiford@arm.com>
 
 	PR c++/92789
diff --git a/gcc/testsuite/c-c++-common/goacc/mdc-1.c b/gcc/testsuite/c-c++-common/goacc/mdc-1.c
index 6c6a81ea73a..fb5841a709d 100644
--- a/gcc/testsuite/c-c++-common/goacc/mdc-1.c
+++ b/gcc/testsuite/c-c++-common/goacc/mdc-1.c
@@ -1,7 +1,8 @@
 /* Test OpenACC's support for manual deep copy, including the attach
    and detach clauses.  */
 
-/* { dg-do compile { target int32 } } */
+/* TODO The tree dump scanning has certain expectations.
+   { dg-do compile { target { lp64 || llp64 } } } */
 /* { dg-additional-options "-fdump-tree-omplower" } */
 
 void