冬休み到来! clang-tidy で安心安全な C/C++ コーディングを極めよう! - Qiita

int main(int argc, char **argv) { const char *cpc; const char *cpc2 = (const char*)cpc; short b = argc; return b; } $ clang-tidy file.cc 7 warnings generated. file.cc:1:27: warning: unused parameter 'argv' [clang-diagnostic-unused-parameter] int main(int argc, char **argv) ^ file.cc:4:3: warning: Assigned value is garbage or undefined [clang-analyzer-core.uninitialized.Assign] const char *cpc2 = (