Add test for issue #1946

tests/vm/tldconst.nim

@@ -0,0 +1,14 @@
+# Passes if it compiles
+# From issue #1946
+
+type
+  Part = object
+    index: int ## array index of argument to be accessed
+
+proc foobar(): int =
+    var x: Part
+    if x.index < high(int):
+        discard
+    0
+
+const x = foobar()