From 21e515471909ce5dbe00d2cdd9996017c453e585 Mon Sep 17 00:00:00 2001
From: Maya Taylor <mayat4@illinois.edu>
Date: Thu, 8 Feb 2024 09:37:07 -0600
Subject: [PATCH] adding ckCheck to ckLocal control flow

---
 src/ck-core/ckarray.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/ck-core/ckarray.h b/src/ck-core/ckarray.h
index 968500935f..374ea0525a 100644
--- a/src/ck-core/ckarray.h
+++ b/src/ck-core/ckarray.h
@@ -136,7 +136,9 @@ class CProxy_ArrayBase : public CProxy
   void ckInsertIdx(CkArrayMessage* m, int ctor, int onPe, const CkArrayIndex& idx);
   void ckBroadcast(CkArrayMessage* m, int ep, int opts = 0) const;
   CkArrayID ckGetArrayID(void) const { return _aid; }
-  CkArray* ckLocalBranch(void) const { return _aid.ckLocalBranch(); }
+  CkArray* ckLocalBranch(void) const { 
+    ckCheck();  // check that proxy has been initialized (groupID is non zero)
+    return _aid.ckLocalBranch(); }
   CkArray* ckLocalBranchOther(int rank) const { return _aid.ckLocalBranchOther(rank); }
   CkLocMgr* ckLocMgr(void) const;
   inline operator CkArrayID() const { return ckGetArrayID(); }