146   const WasmSignature *oldSig = existing->signature;  in signatureMatches()  local
151   if (!newSig || !oldSig)  in signatureMatches()
154   return *newSig == *oldSig;  in signatureMatches()
182   const WasmSignature *oldSig = existingEvent->signature;  in checkEventType()  local
187   if (*newSig != *oldSig)  in checkEventType()
189          "\n>>> defined as " + toString(*oldSig) + " in " +  in checkEventType()
297     const WasmSignature *oldSig = s->getSignature();  in addDefinedFunction()  local
300       newSym->signature = oldSig;  in addDefinedFunction()
576     const WasmSignature *oldSig = nullptr;  in addLazy()  local
580       oldSig = f->signature;  in addLazy()
584     newSym->signature = oldSig;  in addLazy()