1 files changed, 21 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/pr42721.c b/gcc/testsuite/gcc.c-torture/execute/pr42721.c
new file mode 100644
index 000000000..706921b0d
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/pr42721.c
@@ -0,0 +1,21 @@
+/* PR c/42721 */
+
+extern void abort (void);
+
+static unsigned long long
+foo (unsigned long long x, unsigned long long y)
+{
+  return x / y;
+}
+
+static int a, b;
+
+int
+main (void)
+{
+  unsigned long long c = 1;
+  b ^= c && (foo (a, -1ULL) != 1L);
+  if (b != 1)
+    abort ();
+  return 0;
+}