odr-violation.cc revision 2d1fdb26e458c4ddc04155c1d421bced3ba90cd0 
1// Different size: detect a bug if detect_odr_violation>=1
2// RUN: %clangxx_asan -DBUILD_SO=1 -fPIC -shared %s -o %t.so
3// RUN: %clangxx_asan %s %t.so -Wl,-R. -o %t
4// RUN: ASAN_OPTIONS=detect_odr_violation=1 not %run %t 2>&1 | FileCheck %s
5// RUN: ASAN_OPTIONS=detect_odr_violation=2 not %run %t 2>&1 | FileCheck %s
6// RUN: ASAN_OPTIONS=detect_odr_violation=0     %run %t 2>&1 | FileCheck %s --check-prefix=DISABLED
7// RUN:                                         %run %t 2>&1 | FileCheck %s --check-prefix=DISABLED
8//
9// Same size: report a bug only if detect_odr_violation>=2.
10// RUN: %clangxx_asan -DBUILD_SO=1 -fPIC -shared %s -o %t.so -DSZ=100
11// RUN: ASAN_OPTIONS=detect_odr_violation=1     %run %t 2>&1 | FileCheck %s --check-prefix=DISABLED
12// RUN: ASAN_OPTIONS=detect_odr_violation=2 not %run %t 2>&1 | FileCheck %s
13
14// GNU driver doesn't handle .so files properly.
15// REQUIRES: Clang
16
17#ifndef SZ
18# define SZ 4
19#endif
20
21#if BUILD_SO
22char G[SZ];
23#else
24#include <stdio.h>
25char G[100];
26int main(int argc, char **argv) {
27  printf("PASS: %p\n", &G);
28}
29#endif
30
31// CHECK: ERROR: AddressSanitizer: odr-violation
32// CHECK: size=100 G
33// DISABLED: PASS
34