| // RUN: $(dirname %s)/check_clang_tidy_fix.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"; |
| } |