| Rafael Stahl | 0137aa8 | 2018-05-29 14:14:22 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -triple i386-apple-darwin10 -analyze -analyzer-checker=core.builtin,debug.ExprInspection -verify %s |
| 2 | |
| 3 | void clang_analyzer_eval(int); |
| Alexander Kornienko | 48fcfc3 | 2018-05-09 12:27:21 +0000 | [diff] [blame] | 4 | |
| 5 | void initbug() { |
| 6 | const union { float a; } u = {}; |
| 7 | (void)u.a; // no-crash |
| 8 | } |
| Rafael Stahl | 0137aa8 | 2018-05-29 14:14:22 +0000 | [diff] [blame] | 9 | |
| 10 | int const parr[2] = {1}; |
| 11 | void constarr() { |
| 12 | int i = 2; |
| 13 | clang_analyzer_eval(parr[i]); // expected-warning{{UNDEFINED}} |
| 14 | i = 1; |
| 15 | clang_analyzer_eval(parr[i] == 0); // expected-warning{{TRUE}} |
| 16 | i = -1; |
| 17 | clang_analyzer_eval(parr[i]); // expected-warning{{UNDEFINED}} |
| 18 | } |
| 19 | |
| 20 | struct SM { |
| 21 | int a; |
| 22 | int b; |
| 23 | }; |
| 24 | const struct SM sm = {.a = 1}; |
| 25 | void multinit() { |
| 26 | clang_analyzer_eval(sm.a == 1); // expected-warning{{TRUE}} |
| 27 | clang_analyzer_eval(sm.b == 0); // expected-warning{{TRUE}} |
| 28 | } |