1 files changed, 51 insertions, 0 deletions
diff --git a/libctf/testsuite/libctf-lookup/ambiguous-struct.c b/libctf/testsuite/libctf-lookup/ambiguous-struct.c
new file mode 100644
index 0000000..05b471e
--- /dev/null
+++ b/libctf/testsuite/libctf-lookup/ambiguous-struct.c
@@ -0,0 +1,51 @@
+/* Test ambiguous forward lookups post-deduplication.
+
+   This also makes sure that deduplication succeeds in this case and does not
+   throw spurious errors.  */
+
+#include <ctf-api.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+int
+main (int argc, char *argv[])
+{
+  ctf_dict_t *fp;
+  ctf_archive_t *ctf;
+  ctf_id_t type;
+  ctf_arinfo_t ar;
+  int err;
+
+  if (argc != 2)
+    {
+      fprintf (stderr, "Syntax: %s PROGRAM\n", argv[0]);
+      exit(1);
+    }
+
+  if ((ctf = ctf_open (argv[1], NULL, &err)) == NULL)
+    goto open_err;
+  if ((fp = ctf_dict_open (ctf, NULL, &err)) == NULL)
+    goto open_err;
+
+  /* Dig out the array type and resolve its element type.  */
+
+  if ((type = ctf_lookup_by_name (fp, "a_array") ) == CTF_ERR)
+    goto err;
+  if ((type = ctf_type_resolve (fp, type)) == CTF_ERR)
+    goto err;
+  if (ctf_array_info (fp, type, &ar) < 0)
+    goto err;
+  printf ("Kind of array element is %i\n", ctf_type_kind (fp, ar.ctr_contents));
+
+  ctf_dict_close (fp);
+  ctf_close (ctf);
+
+  return 0;
+
+ open_err:
+  fprintf (stderr, "%s: cannot open: %s\n", argv[0], ctf_errmsg (err));
+  return 1;
+ err:
+  fprintf (stderr, "Lookup failed: %s\n", ctf_errmsg (ctf_errno (fp)));
+  return 1;
+}