Testcase for #22008 (#22320)

Testcase

Co-authored-by: SirOlaf <>

tests/exception/t22008.nim

@@ -0,0 +1,8 @@
+template detect(v: untyped) =
+  doAssert typeof(v) is int
+
+detect:
+  try:
+    raise (ref ValueError)()
+  except ValueError:
+    42