1 files changed, 17 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/torture/pr37731-1.c b/gcc/testsuite/gcc.dg/torture/pr37731-1.c
new file mode 100644
index 000000000..5c156b1f9
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/torture/pr37731-1.c
@@ -0,0 +1,17 @@
+/* { dg-do run } */
+
+extern void abort ();
+
+unsigned long long xh = 1;
+
+int
+main ()
+{
+  unsigned long long yh = 0xffffffffull;
+  unsigned long long z = xh * yh;
+
+  if (z != yh)
+    abort ();
+
+  return 0;
+}