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Fix #10661 FP extern function reported as unused (#4279)

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chrchr-github 2022-07-14 20:59:58 +02:00 committed by GitHub
parent 2543dc97d2
commit 53cd3dc665
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3 changed files with 8 additions and 1 deletions
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3
lib/checkunusedfunctions.cpp
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@ -75,6 +75,9 @@ void CheckUnusedFunctions::parseTokens(const Tokenizer &tokenizer, const char Fi
if (func->isAttributeConstructor() || func->isAttributeDestructor() || func->type != Function::eFunction || func->isOperator()) if (func->isAttributeConstructor() || func->isAttributeDestructor() || func->type != Function::eFunction || func->isOperator())
continue; continue;
if (func->isExtern())
continue;
// Don't care about templates // Don't care about templates
if (tokenizer.isCPP() && func->templateDef != nullptr) if (tokenizer.isCPP() && func->templateDef != nullptr)
continue; continue;

2
lib/symboldatabase.cpp
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@ -2451,7 +2451,7 @@ const Token *Function::setFlags(const Token *tok1, const Scope *scope)
isInlineKeyword(true); isInlineKeyword(true);
// extern function // extern function
if (tok1->str() == "extern") { if (tok1->isExternC() || tok1->str() == "extern") {
isExtern(true); isExtern(true);
} }

4
test/testunusedfunctions.cpp
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@ -394,6 +394,10 @@ private:
// Don't crash on wrong syntax // Don't crash on wrong syntax
check("int x __attribute__((constructor));\n" check("int x __attribute__((constructor));\n"
"int y __attribute__((destructor));"); "int y __attribute__((destructor));");
// #10661
check("extern \"C\" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t dataSize) { return 0; }\n");
ASSERT_EQUALS("", errout.str());
} }
void initializer_list() { void initializer_list() {