1 files changed, 95 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/gomp/pr39495-1.C b/gcc/testsuite/g++.dg/gomp/pr39495-1.C
new file mode 100644
index 000000000..8563e684f
--- /dev/null
+++ b/gcc/testsuite/g++.dg/gomp/pr39495-1.C
@@ -0,0 +1,95 @@
+// PR c/39495
+// { dg-do compile }
+// { dg-options "-fopenmp" }
+
+#define INT_MIN (-__INT_MAX__ - 1)
+#define INT_MAX __INT_MAX__
+#define UINT_MAX (2U * __INT_MAX__ + 1)
+
+int
+foo (void)
+{
+  int i;
+  unsigned int u;
+
+#pragma omp for
+  for (i = INT_MIN + 6; i > INT_MIN + 1; i--)
+    ;
+#pragma omp for
+  for (i = INT_MIN + 6; i >= INT_MIN + 1; i--)
+    ;
+#pragma omp for
+  for (i = INT_MIN + 6; i > INT_MIN; i--)
+    ;
+#pragma omp for
+  for (i = INT_MAX - 6; i < INT_MAX - 1; i++)
+    ;
+#pragma omp for
+  for (i = INT_MAX - 6; i <= INT_MAX - 1; i++)
+    ;
+#pragma omp for
+  for (i = INT_MAX - 6; i < INT_MAX; i++)
+    ;
+#pragma omp for
+  for (u = 6; u > 1; u--)
+    ;
+#pragma omp for
+  for (u = 6; u >= 1; u--)
+    ;
+#pragma omp for
+  for (u = 6; u > 0; u--)
+    ;
+#pragma omp for
+  for (u = UINT_MAX - 6; u < UINT_MAX - 1; u++)
+    ;
+#pragma omp for
+  for (u = UINT_MAX - 6; u <= UINT_MAX - 1; u++)
+    ;
+#pragma omp for
+  for (u = UINT_MAX - 6; u < UINT_MAX; u++)
+    ;
+}
+
+int
+bar (void)
+{
+  int i;
+  unsigned int u;
+
+#pragma omp for
+  for (i = INT_MIN + 6; i > INT_MIN + 1; i -= 2)
+    ;
+#pragma omp for
+  for (i = INT_MIN + 6; i >= INT_MIN + 1; i -= 2)
+    ;
+#pragma omp for
+  for (i = INT_MIN + 6; i > INT_MIN; i -= 2)
+    ;
+#pragma omp for
+  for (i = INT_MAX - 6; i < INT_MAX - 1; i += 2)
+    ;
+#pragma omp for
+  for (i = INT_MAX - 6; i <= INT_MAX - 1; i += 2)
+    ;
+#pragma omp for
+  for (i = INT_MAX - 6; i < INT_MAX; i += 2)
+    ;
+#pragma omp for
+  for (u = 6; u > 1; u -= 2)
+    ;
+#pragma omp for
+  for (u = 6; u >= 1; u -= 2)
+    ;
+#pragma omp for
+  for (u = 6; u > 0; u -= 2)
+    ;
+#pragma omp for
+  for (u = UINT_MAX - 6; u < UINT_MAX - 1; u += 2)
+    ;
+#pragma omp for
+  for (u = UINT_MAX - 6; u <= UINT_MAX - 1; u += 2)
+    ;
+#pragma omp for
+  for (u = UINT_MAX - 6; u < UINT_MAX; u += 2)
+    ;
+}