1 files changed, 19 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/torture/pr70450.c b/gcc/testsuite/gcc.dg/torture/pr70450.c
new file mode 100644
index 00000000000..ee5e24d0522
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/torture/pr70450.c
@@ -0,0 +1,19 @@
+/* { dg-do run } */
+/* { dg-require-effective-target lp64 } */
+
+unsigned long int a = 2UL;
+int b = 2;
+unsigned long int c = 2UL;
+
+void foo ()
+{
+  c = 2 * ((2 * a) * (2 * (-b)));
+}
+
+int main ()
+{
+  foo();
+  if (c != 18446744073709551584UL)
+    __builtin_abort();
+  return 0;
+}