diff --git a/libgomp/ChangeLog b/libgomp/ChangeLog
index fba0ba0562ac..f95395450152 100644
--- a/libgomp/ChangeLog
+++ b/libgomp/ChangeLog
@@ -1,3 +1,13 @@
+2019-01-09  Tom de Vries  <tdevries@suse.de>
+
+	PR target/88756
+	* testsuite/libgomp.oacc-c-c++-common/reduction-1.c (ng, nw, vl): Use
+	#define instead of "const int".
+	* testsuite/libgomp.oacc-c-c++-common/reduction-2.c (ng, nw, vl): Same.
+	* testsuite/libgomp.oacc-c-c++-common/reduction-3.c (ng, nw, vl): Same.
+	* testsuite/libgomp.oacc-c-c++-common/reduction-4.c (ng, nw, vl): Same.
+	* testsuite/libgomp.oacc-c-c++-common/reduction-5.c (ng, nw, vl): Same.
+
 2019-01-09  Tom de Vries  <tdevries@suse.de>
 
 	* plugin/plugin-nvptx.c (nvptx_exec): Make sure to launch with at least
diff --git a/libgomp/testsuite/libgomp.oacc-c-c++-common/reduction-1.c b/libgomp/testsuite/libgomp.oacc-c-c++-common/reduction-1.c
index e8a8911faeb1..3fe9ae653093 100644
--- a/libgomp/testsuite/libgomp.oacc-c-c++-common/reduction-1.c
+++ b/libgomp/testsuite/libgomp.oacc-c-c++-common/reduction-1.c
@@ -8,9 +8,9 @@
 #include <stdlib.h>
 #include "reduction.h"
 
-const int ng = 8;
-const int nw = 4;
-const int vl = 32;
+#define ng 8
+#define nw 4
+#define vl 32
 
 static void
 test_reductions (void)
diff --git a/libgomp/testsuite/libgomp.oacc-c-c++-common/reduction-2.c b/libgomp/testsuite/libgomp.oacc-c-c++-common/reduction-2.c
index d19b1c825ca4..83986abf7e0c 100644
--- a/libgomp/testsuite/libgomp.oacc-c-c++-common/reduction-2.c
+++ b/libgomp/testsuite/libgomp.oacc-c-c++-common/reduction-2.c
@@ -8,9 +8,9 @@
 #include <stdlib.h>
 #include "reduction.h"
 
-const int ng = 8;
-const int nw = 4;
-const int vl = 32;
+#define ng 8
+#define nw 4
+#define vl 32
 
 static void
 test_reductions (void)
diff --git a/libgomp/testsuite/libgomp.oacc-c-c++-common/reduction-3.c b/libgomp/testsuite/libgomp.oacc-c-c++-common/reduction-3.c
index 1b948bef5a04..3ac0f996a867 100644
--- a/libgomp/testsuite/libgomp.oacc-c-c++-common/reduction-3.c
+++ b/libgomp/testsuite/libgomp.oacc-c-c++-common/reduction-3.c
@@ -8,9 +8,9 @@
 #include <stdlib.h>
 #include "reduction.h"
 
-const int ng = 8;
-const int nw = 4;
-const int vl = 32;
+#define ng 8
+#define nw 4
+#define vl 32
 
 static void
 test_reductions (void)
diff --git a/libgomp/testsuite/libgomp.oacc-c-c++-common/reduction-4.c b/libgomp/testsuite/libgomp.oacc-c-c++-common/reduction-4.c
index 79355eded80b..b8fa954cfee1 100644
--- a/libgomp/testsuite/libgomp.oacc-c-c++-common/reduction-4.c
+++ b/libgomp/testsuite/libgomp.oacc-c-c++-common/reduction-4.c
@@ -9,9 +9,9 @@
 #include <complex.h>
 #include "reduction.h"
 
-const int ng = 8;
-const int nw = 4;
-const int vl = 32;
+#define ng 8
+#define nw 4
+#define vl 32
 
 static void
 test_reductions (void)
diff --git a/libgomp/testsuite/libgomp.oacc-c-c++-common/reduction-5.c b/libgomp/testsuite/libgomp.oacc-c-c++-common/reduction-5.c
index 46b553a61ff6..215d919a1031 100644
--- a/libgomp/testsuite/libgomp.oacc-c-c++-common/reduction-5.c
+++ b/libgomp/testsuite/libgomp.oacc-c-c++-common/reduction-5.c
@@ -9,9 +9,9 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-const int ng = 8;
-const int nw = 4;
-const int vl = 32;
+#define ng 8
+#define nw 4
+#define vl 32
 
 const int n = 100;