1 | // Test that unused globals are included in the root set. |
2 | // RUN: %clangxx_lsan -O2 %s -DTEST_LIB -c -o %t.o |
3 | // RUN: %clangxx_lsan -O2 %s %t.o -o %t |
4 | // RUN: %env_lsan_opts="use_stacks=0:use_registers=0:use_globals=1" %run %t 2>&1 | FileCheck %s --implicit-check-not=leak |
5 | // RUN: %env_lsan_opts="" %run %t 2>&1 | FileCheck %s --implicit-check-not=leak |
6 | |
7 | // FIXME: This check is not very important and fails on arm7. |
8 | // %env_lsan_opts="use_stacks=0:use_registers=0:use_globals=0" not %run %t 2>&1 | FileCheck %s --check-prefixes=LEAK |
9 | |
10 | #include <stdio.h> |
11 | #include <stdlib.h> |
12 | #include <string.h> |
13 | |
14 | #ifdef TEST_LIB |
15 | |
16 | void set(char *a) { |
17 | strcpy(a, "hello" ); |
18 | } |
19 | |
20 | #else |
21 | |
22 | static void *g; |
23 | |
24 | void set(char *a); |
25 | void foo(void *a) { |
26 | // Store from a different function to suppress global localization. |
27 | g = a; |
28 | } |
29 | |
30 | int main() { |
31 | char a[10]; |
32 | set(a); |
33 | char *b = strdup(s: a); |
34 | printf(format: "%p %s\n" , b, b); |
35 | g = b; |
36 | } |
37 | |
38 | #endif |
39 | |
40 | // LEAK: LeakSanitizer: detected memory leaks |
41 | |