1 files changed, 37 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr46315.c b/gcc/testsuite/gcc.dg/pr46315.c
new file mode 100644
index 000000000..2349284e2
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr46315.c
@@ -0,0 +1,37 @@
+/* PR rtl-optimization/46315 */
+/* Reported by Magnus Granberg <zorry@gentoo.org> */
+
+/* { dg-do run } */
+/* { dg-options "-O2 -fno-strict-overflow" } */
+
+extern void abort (void);
+
+static char const *
+parse_ranged (char const *s, int digits)
+{
+  int n = 0;
+  char const *lim = s + digits;
+  while (s < lim)
+    {
+      unsigned d = *s++ - '0';
+      if (9 < d)
+        return 0;
+      n = 10 * n + d;
+    }
+  return s && 0 <= n && n <= 59 ? s : 0;
+}
+
+int main(void)
+{
+  const char *s = "10092240";
+
+  s = parse_ranged (s, 2);
+  s = parse_ranged (s, 2);
+  s = parse_ranged (s, 2);
+  s = parse_ranged (s, 2);
+
+  if (!s || *s != '\0')
+    abort();
+
+  return 0;
+}