1 files changed, 27 insertions, 0 deletions
diff --git a/tests/test/tarray8.pp b/tests/test/tarray8.pp
new file mode 100644
index 0000000000..3ce505c0f1
--- /dev/null
+++ b/tests/test/tarray8.pp
@@ -0,0 +1,27 @@
+{ Test correct RTTI handling of open arrays with managed elements.
+  See also webtbs/tw18859.pp }
+
+{$mode objfpc}{$h+}
+
+procedure test3(out arr: array of string);
+begin
+  { implicit initialize happens here }
+  arr[0] := '';  // if initialization does not happen correctly, teststring will be destroyed
+end;
+
+var
+  teststring: string;
+  arrs: array[0..3] of string;
+
+begin
+  teststring := 'test';
+  uniquestring(teststring);
+  // Must be a string with refcount>1, otherwise decref before call will release it and
+  // zero the pointer, thus masking the issue.
+  arrs[0] := teststring;
+  { implicit decref happens here }
+  test3(arrs);
+  if teststring <> 'test' then
+    Halt(1);
+  Halt(0);  
+end.