1 files changed, 39 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/torture/pr119973.c b/gcc/testsuite/gcc.dg/torture/pr119973.c
new file mode 100644
index 0000000..a9661a3
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/torture/pr119973.c
@@ -0,0 +1,39 @@
+/* { dg-do run } */
+/* { dg-additional-options "-fipa-pta" } */
+
+static int
+is_valid_domain_name (const char *string)
+{
+  const char *s;
+
+  for (s=string; *s; s++)
+    if (*s == '.')
+      {
+        if (string == s)
+          return 0;
+      }
+
+  return !!*string;
+}
+
+int
+main (void)
+{
+  static struct
+  {
+    const char *name;
+    int valid;
+  } testtbl[] =
+    {
+      { ".", 0 },
+      { nullptr, 0 }
+    };
+  int idx;
+
+  for (idx=0; testtbl[idx].name; idx++)
+    {
+      if (is_valid_domain_name (testtbl[idx].name) != testtbl[idx].valid)
+        __builtin_abort ();
+    }
+  return 0;
+}