139 static void reportTypeError(const Symbol *existing, const InputFile *file,  in reportTypeError()  argument
141   error("symbol type mismatch: " + toString(*existing) + "\n>>> defined as " +  in reportTypeError()
142         toString(existing->getWasmType()) + " in " +  in reportTypeError()
143         toString(existing->getFile()) + "\n>>> defined as " + toString(type) +  in reportTypeError()
150 static bool signatureMatches(FunctionSymbol *existing,  in signatureMatches()  argument
152   const WasmSignature *oldSig = existing->signature;  in signatureMatches()
163 static void checkGlobalType(const Symbol *existing, const InputFile *file,  in checkGlobalType()  argument
165   if (!isa<GlobalSymbol>(existing)) {  in checkGlobalType()
166     reportTypeError(existing, file, WASM_SYMBOL_TYPE_GLOBAL);  in checkGlobalType()
170   const WasmGlobalType *oldType = cast<GlobalSymbol>(existing)->getGlobalType();  in checkGlobalType()
172     error("Global type mismatch: " + existing->getName() + "\n>>> defined as " +  in checkGlobalType()
173           toString(*oldType) + " in " + toString(existing->getFile()) +  in checkGlobalType()
178 static void checkTagType(const Symbol *existing, const InputFile *file,  in checkTagType()  argument
180   const auto *existingTag = dyn_cast<TagSymbol>(existing);  in checkTagType()
181   if (!isa<TagSymbol>(existing)) {  in checkTagType()
182     reportTypeError(existing, file, WASM_SYMBOL_TYPE_TAG);  in checkTagType()
188     warn("Tag signature mismatch: " + existing->getName() +  in checkTagType()
190          toString(existing->getFile()) + "\n>>> defined as " +  in checkTagType()
194 static void checkTableType(const Symbol *existing, const InputFile *file,  in checkTableType()  argument
196   if (!isa<TableSymbol>(existing)) {  in checkTableType()
197     reportTypeError(existing, file, WASM_SYMBOL_TYPE_TABLE);  in checkTableType()
201   const WasmTableType *oldType = cast<TableSymbol>(existing)->getTableType();  in checkTableType()
203     error("Table type mismatch: " + existing->getName() + "\n>>> defined as " +  in checkTableType()
204           toString(*oldType) + " in " + toString(existing->getFile()) +  in checkTableType()
210 static void checkDataType(const Symbol *existing, const InputFile *file) {  in checkDataType()  argument
211   if (!isa<DataSymbol>(existing))  in checkDataType()
212     reportTypeError(existing, file, WASM_SYMBOL_TYPE_DATA);  in checkDataType()
284 static bool shouldReplace(const Symbol *existing, InputFile *newFile,  in shouldReplace()  argument
287   if (!existing->isDefined()) {  in shouldReplace()
289                       << existing->getName() << "\n");  in shouldReplace()
300   if (existing->isWeak()) {  in shouldReplace()
306   error("duplicate symbol: " + toString(*existing) + "\n>>> defined in " +  in shouldReplace()
307         toString(existing->getFile()) + "\n>>> defined in " +  in shouldReplace()
472 static void setImportAttributes(T *existing,  in setImportAttributes()  argument
477     if (!existing->importName)  in setImportAttributes()
478       existing->importName = importName;  in setImportAttributes()
479     if (existing->importName != importName)  in setImportAttributes()
480       error("import name mismatch for symbol: " + toString(*existing) +  in setImportAttributes()
481             "\n>>> defined as " + *existing->importName + " in " +  in setImportAttributes()
482             toString(existing->getFile()) + "\n>>> defined as " + *importName +  in setImportAttributes()
487     if (!existing->importModule)  in setImportAttributes()
488       existing->importModule = importModule;  in setImportAttributes()
489     if (existing->importModule != importModule)  in setImportAttributes()
490       error("import module mismatch for symbol: " + toString(*existing) +  in setImportAttributes()
491             "\n>>> defined as " + *existing->importModule + " in " +  in setImportAttributes()
492             toString(existing->getFile()) + "\n>>> defined as " +  in setImportAttributes()
498   if (existing->isWeak() && binding != WASM_SYMBOL_BINDING_WEAK) {  in setImportAttributes()
499     existing->flags = (existing->flags & ~WASM_SYMBOL_BINDING_MASK) | binding;  in setImportAttributes()
696   Symbol *existing = find(functionTableName);  in resolveIndirectFunctionTable()  local
697   if (existing) {  in resolveIndirectFunctionTable()
698     if (!isa<TableSymbol>(existing)) {  in resolveIndirectFunctionTable()
703     if (existing->isDefined()) {  in resolveIndirectFunctionTable()
711     if (existing)  in resolveIndirectFunctionTable()
712       return cast<TableSymbol>(existing);  in resolveIndirectFunctionTable()
715   } else if ((existing && existing->isLive()) || config->exportTable ||  in resolveIndirectFunctionTable()