131 static void reportTypeError(const Symbol *existing, const InputFile *file,  in reportTypeError()  argument
133   error("symbol type mismatch: " + toString(*existing) + "\n>>> defined as " +  in reportTypeError()
134         toString(existing->getWasmType()) + " in " +  in reportTypeError()
135         toString(existing->getFile()) + "\n>>> defined as " + toString(type) +  in reportTypeError()
142 static bool signatureMatches(FunctionSymbol *existing,  in signatureMatches()  argument
144   const WasmSignature *oldSig = existing->signature;  in signatureMatches()
155 static void checkGlobalType(const Symbol *existing, const InputFile *file,  in checkGlobalType()  argument
157   if (!isa<GlobalSymbol>(existing)) {  in checkGlobalType()
158     reportTypeError(existing, file, WASM_SYMBOL_TYPE_GLOBAL);  in checkGlobalType()
162   const WasmGlobalType *oldType = cast<GlobalSymbol>(existing)->getGlobalType();  in checkGlobalType()
164     error("Global type mismatch: " + existing->getName() + "\n>>> defined as " +  in checkGlobalType()
165           toString(*oldType) + " in " + toString(existing->getFile()) +  in checkGlobalType()
170 static void checkTagType(const Symbol *existing, const InputFile *file,  in checkTagType()  argument
172   const auto *existingTag = dyn_cast<TagSymbol>(existing);  in checkTagType()
173   if (!isa<TagSymbol>(existing)) {  in checkTagType()
174     reportTypeError(existing, file, WASM_SYMBOL_TYPE_TAG);  in checkTagType()
180     warn("Tag signature mismatch: " + existing->getName() +  in checkTagType()
182          toString(existing->getFile()) + "\n>>> defined as " +  in checkTagType()
186 static void checkTableType(const Symbol *existing, const InputFile *file,  in checkTableType()  argument
188   if (!isa<TableSymbol>(existing)) {  in checkTableType()
189     reportTypeError(existing, file, WASM_SYMBOL_TYPE_TABLE);  in checkTableType()
193   const WasmTableType *oldType = cast<TableSymbol>(existing)->getTableType();  in checkTableType()
195     error("Table type mismatch: " + existing->getName() + "\n>>> defined as " +  in checkTableType()
196           toString(*oldType) + " in " + toString(existing->getFile()) +  in checkTableType()
202 static void checkDataType(const Symbol *existing, const InputFile *file) {  in checkDataType()  argument
203   if (!isa<DataSymbol>(existing))  in checkDataType()
204     reportTypeError(existing, file, WASM_SYMBOL_TYPE_DATA);  in checkDataType()
276 static bool shouldReplace(const Symbol *existing, InputFile *newFile,  in shouldReplace()  argument
279   if (!existing->isDefined()) {  in shouldReplace()
281                       << existing->getName() << "\n");  in shouldReplace()
292   if (existing->isWeak()) {  in shouldReplace()
298   error("duplicate symbol: " + toString(*existing) + "\n>>> defined in " +  in shouldReplace()
299         toString(existing->getFile()) + "\n>>> defined in " +  in shouldReplace()
464 static void setImportAttributes(T *existing, Optional<StringRef> importName,  in setImportAttributes()  argument
468     if (!existing->importName)  in setImportAttributes()
469       existing->importName = importName;  in setImportAttributes()
470     if (existing->importName != importName)  in setImportAttributes()
471       error("import name mismatch for symbol: " + toString(*existing) +  in setImportAttributes()
472             "\n>>> defined as " + *existing->importName + " in " +  in setImportAttributes()
473             toString(existing->getFile()) + "\n>>> defined as " + *importName +  in setImportAttributes()
478     if (!existing->importModule)  in setImportAttributes()
479       existing->importModule = importModule;  in setImportAttributes()
480     if (existing->importModule != importModule)  in setImportAttributes()
481       error("import module mismatch for symbol: " + toString(*existing) +  in setImportAttributes()
482             "\n>>> defined as " + *existing->importModule + " in " +  in setImportAttributes()
483             toString(existing->getFile()) + "\n>>> defined as " +  in setImportAttributes()
489   if (existing->isWeak() && binding != WASM_SYMBOL_BINDING_WEAK) {  in setImportAttributes()
490     existing->flags = (existing->flags & ~WASM_SYMBOL_BINDING_MASK) | binding;  in setImportAttributes()
684   Symbol *existing = find(functionTableName);  in resolveIndirectFunctionTable()  local
685   if (existing) {  in resolveIndirectFunctionTable()
686     if (!isa<TableSymbol>(existing)) {  in resolveIndirectFunctionTable()
691     if (existing->isDefined()) {  in resolveIndirectFunctionTable()
699     if (existing)  in resolveIndirectFunctionTable()
700       return cast<TableSymbol>(existing);  in resolveIndirectFunctionTable()
703   } else if ((existing && existing->isLive()) || config->exportTable ||  in resolveIndirectFunctionTable()