From e7114622780d55c0939a6b4035de9ace8f86ae9b Mon Sep 17 00:00:00 2001
From: yann300 <yann.levreau@gmail.com>
Date: Tue, 12 May 2020 14:35:55 +0200
Subject: [PATCH] Return a default source map if deployedBytecode not defined
 (Yul contract)

---
 remix-lib/src/sourceLocationTracker.js | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/remix-lib/src/sourceLocationTracker.js b/remix-lib/src/sourceLocationTracker.js
index f8ee6c49e6..9161b68a42 100644
--- a/remix-lib/src/sourceLocationTracker.js
+++ b/remix-lib/src/sourceLocationTracker.js
@@ -65,9 +65,13 @@ function getSourceMap (address, code, contracts) {
   let bytes
   for (let file in contracts) {
     for (let contract in contracts[file]) {
-      bytes = isCreation ? contracts[file][contract].evm.bytecode.object : contracts[file][contract].evm.deployedBytecode.object
+      const bytecode = contracts[file][contract].evm.bytecode
+      const deployedBytecode = contracts[file][contract].evm.deployedBytecode
+      if (!deployedBytecode) return bytecode.sourceMap
+      
+      bytes = isCreation ? bytecode.object : deployedBytecode.object
       if (util.compareByteCode(code, '0x' + bytes)) {
-        return isCreation ? contracts[file][contract].evm.bytecode.sourceMap : contracts[file][contract].evm.deployedBytecode.sourceMap
+        return isCreation ? bytecode.sourceMap : deployedBytecode.sourceMap
       }
     }
   }