From fc740c54ec7af592ff3486c8cc296bb4f65eb340 Mon Sep 17 00:00:00 2001
From: jcosborn <jcosborn@users.noreply.github.com>
Date: Wed, 7 Nov 2018 01:40:00 -0600
Subject: [PATCH] fixes #9600 (#9601)

---
 compiler/vmdeps.nim           |  5 ++++-
 tests/macros/tgettypeinst.nim | 11 +++++++++++
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/compiler/vmdeps.nim b/compiler/vmdeps.nim
index 8aac5fb87496..f160a30967c3 100644
--- a/compiler/vmdeps.nim
+++ b/compiler/vmdeps.nim
@@ -157,7 +157,10 @@ proc mapTypeToAstX(cache: IdentCache; t: PType; info: TLineInfo;
   of tyObject:
     if inst:
       result = newNodeX(nkObjectTy)
-      result.add t.sym.ast[2][0].copyTree  # copy object pragmas
+      if t.sym.ast != nil:
+        result.add t.sym.ast[2][0].copyTree  # copy object pragmas
+      else:
+        result.add newNodeI(nkEmpty, info)
       if t.sons[0] == nil:
         result.add newNodeI(nkEmpty, info)
       else:  # handle parent object
diff --git a/tests/macros/tgettypeinst.nim b/tests/macros/tgettypeinst.nim
index 6a99dc8b7bc4..c2cde9a43a76 100644
--- a/tests/macros/tgettypeinst.nim
+++ b/tests/macros/tgettypeinst.nim
@@ -201,3 +201,14 @@ test(MyObj):
     _ = object {.packed,myAttr,serializationKey: "one".}
       myField: int
       myField2: float
+
+block t9600:
+  type
+    Apple = ref object of RootObj
+
+  macro mixer(x: typed): untyped =
+    let w = getType(x)
+    let v = getTypeImpl(w[1])
+
+  var z: Apple
+  mixer(z)