codegen: fix objecthack crash

test262: 11.17% | 🧪 49377 | 🤠 5513 | ❌ 1256 (+4) | 💀 8656 (+49) | 🧩 2478 (+9) | 💥 1854 (-450) | ⏰ 1 | 📝 29619 (+388)
CanadaHonk · Feb 12, 2024 · 4035760 · 4035760
1 parent f4cee87
commit 4035760
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/compiler/codeGen.js b/compiler/codeGen.js
@@ -2875,11 +2875,14 @@ const objectHack = node => {
     // if object is not identifier or another member exp, give up
     if (node.object.type !== 'Identifier' && node.object.type !== 'MemberExpression') return node;
 
-    if (!objectName) objectName = objectHack(node.object).name.slice(2);
+    if (!objectName) objectName = objectHack(node.object)?.name?.slice?.(2);
 
     // if .length, give up (hack within a hack!)
     if (node.property.name === 'length') return node;
 
+    // no object name, give up
+    if (!objectName) return node;
+
     const name = '__' + objectName + '_' + node.property.name;
     if (codeLog) log('codegen', `object hack! ${node.object.name}.${node.property.name} -> ${name}`);