Give a bytecode offset to Ld_A added by CSE

Author: Cellule

lib/Backend/GlobOptExpr.cpp

@@ -798,6 +798,7 @@ GlobOpt::CSEOptimize(BasicBlock *block, IR::Instr * *const instrRef, Value **pSr
         // code and due to other similar potential issues, always create a new instr instead of changing the existing one.
         IR::Instr *const originalInstr = instr;
         instr = IR::Instr::New(Js::OpCode::Ld_A, instr->GetDst(), cseOpnd, instr->m_func);
+        instr->SetByteCodeOffset(originalInstr);
         originalInstr->TransferDstAttributesTo(instr);
         block->InsertInstrBefore(instr, originalInstr);
         block->RemoveInstr(originalInstr);