| 1 | // Faking std::call_once implementation. |
| 2 | namespace std { |
| 3 | typedef struct once_flag_s { |
| 4 | int _M_once = 0; |
| 5 | } once_flag; |
| 6 | |
| 7 | template <class Callable, class... Args> |
| 8 | void call_once(once_flag &o, Callable&& func, Args&&... args); |
| 9 | } // namespace std |
| 10 | |
| 11 | int deref(int *x) { |
| 12 | return *x; |
| 13 | } |
| 14 | |
| 15 | void call_deref_once() { |
| 16 | static std::once_flag once; |
| 17 | int *p = nullptr; |
| 18 | std::call_once(once, &deref, p); |
| 19 | } |
| 20 | |
| 21 | |
| 22 | // RUN: rm -rf %t.output |
| 23 | // RUN: %clang_analyze_cc1 -std=c++11 -analyze -analyzer-checker=core -analyzer-output html -o %t.output %s |
| 24 | // RUN: cat %t.output/* | FileCheck %s --match-full-lines |
| 25 | // CHECK: var relevant_lines = {"1": {"3": 1, "8": 1, "11": 1, "12": 1, "15": 1, "16": 1, "17": 1, "18": 1}}; |
| 26 | |