Fix bug with _ReuseLoc opcode

ShortDevelopment · ShortDevelopment · commit a9a1c7019a0e · 2024-05-01T15:46:32.000+02:00
diff --git a/lib/Runtime/ByteCode/ByteCodeEmitter.cpp b/lib/Runtime/ByteCode/ByteCodeEmitter.cpp
@@ -11715,7 +11715,7 @@ void Emit(ParseNode* pnode, ByteCodeGenerator* byteCodeGenerator, FuncInfo* func
         }
         else
         {
-            byteCodeGenerator->Writer()->PatchableProperty(Js::OpCode::LdFld, pnode->location, callObjLocation, cacheId, isConstructorCall);
+            byteCodeGenerator->Writer()->PatchableProperty(pnode->isUsed ? Js::OpCode::LdFld_ReuseLoc : Js::OpCode::LdFld, pnode->location, callObjLocation, cacheId, isConstructorCall);
         }
 
         break;

Original file line number	Diff line number	Diff line change
`@@ -11715,7 +11715,7 @@ void Emit(ParseNode* pnode, ByteCodeGenerator* byteCodeGenerator, FuncInfo* func`
`11715`	`11715`	`}`
`11716`	`11716`	`else`
`11717`	`11717`	`{`
`11718`		`- byteCodeGenerator->Writer()->PatchableProperty(Js::OpCode::LdFld, pnode->location, callObjLocation, cacheId, isConstructorCall);`
	`11718`	`+ byteCodeGenerator->Writer()->PatchableProperty(pnode->isUsed ? Js::OpCode::LdFld_ReuseLoc : Js::OpCode::LdFld, pnode->location, callObjLocation, cacheId, isConstructorCall);`
`11719`	`11719`	`}`
`11720`	`11720`
`11721`	`11721`	`break;`