// RUN: $(dirname %s)/check_clang_tidy.sh %s llvm-twine-local %t // REQUIRES: shell namespace llvm { class Twine { public: Twine(const char *); Twine(int); Twine &operator+(const Twine &); }; } using namespace llvm; void foo(const Twine &x); static Twine Moo = Twine("bark") + "bah"; // CHECK-MESSAGES: :[[@LINE-1]]:14: warning: twine variables are prone to use-after-free bugs // CHECK-MESSAGES: note: FIX-IT applied suggested code changes // CHECK-FIXES: static std::string Moo = (Twine("bark") + "bah").str(); int main() { const Twine t = Twine("a") + "b" + Twine(42); // CHECK-MESSAGES: :[[@LINE-1]]:15: warning: twine variables are prone to use-after-free bugs // CHECK-MESSAGES: note: FIX-IT applied suggested code changes // CHECK-FIXES: std::string t = (Twine("a") + "b" + Twine(42)).str(); foo(Twine("a") + "b"); Twine Prefix = false ? "__INT_FAST" : "__UINT_FAST"; // CHECK-MESSAGES: :[[@LINE-1]]:9: warning: twine variables are prone to use-after-free bugs // CHECK-MESSAGES: note: FIX-IT applied suggested code changes // CHECK-FIXES: const char * Prefix = false ? "__INT_FAST" : "__UINT_FAST"; }