1 | // RUN: %clang_cc1 -triple i386-apple-darwin10 -analyze -analyzer-checker=core.builtin,debug.ExprInspection -verify %s |
2 | |
3 | void clang_analyzer_eval(int); |
4 | |
5 | void initbug() { |
6 | const union { float a; } u = {}; |
7 | (void)u.a; // no-crash |
8 | } |
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 | } |
29 | |