1 | // RUN: %clangxx_tysan -O0 %s -c -o %t.o |
2 | // RUN: %clangxx_tysan -O0 %s -DPMAIN -c -o %tm.o |
3 | // RUN: %clangxx_tysan -O0 %s -DPINIT -c -o %tinit.o |
4 | // RUN: %clangxx_tysan -O0 %t.o %tm.o %tinit.o -o %t |
5 | // RUN: %run %t 2>&1 | FileCheck %s |
6 | |
7 | #include <stdio.h> |
8 | #include <stdlib.h> |
9 | |
10 | extern "C" { |
11 | typedef struct X { |
12 | int *start; |
13 | int *end; |
14 | int i; |
15 | } X; |
16 | }; |
17 | |
18 | #ifdef PMAIN |
19 | int foo(struct X *); |
20 | void bar(struct X *); |
21 | void init(struct X *); |
22 | |
23 | int main() { |
24 | struct X x; |
25 | init(&x); |
26 | printf("%d\n" , foo(&x)); |
27 | free(x.start); |
28 | return 0; |
29 | } |
30 | |
31 | #elif PINIT |
32 | |
33 | void init(struct X *x) { |
34 | x->start = (int *)calloc(100, sizeof(int)); |
35 | x->end = x->start + 99; |
36 | x->i = 0; |
37 | } |
38 | |
39 | #else |
40 | |
41 | __attribute__((noinline)) int foo(struct X *x) { |
42 | if (x->start < x->end) |
43 | return 30; |
44 | return 10; |
45 | } |
46 | |
47 | void bar(struct X *x) { x->end = NULL; } |
48 | |
49 | #endif |
50 | |
51 | // CHECK-NOT: ERROR: TypeSanitizer: type-aliasing-violation |
52 | |