1// A collection of various initializers which shouldn't trip up initialization
2// order checking. If successful, this will just return 0.
3
4// RUN: %clangxx_asan -O0 %s %p/Helpers/initialization-nobug-extra.cpp -o %t
5// RUN: %env_asan_opts=check_initialization_order=true %run %t 2>&1
6// RUN: %clangxx_asan -O1 %s %p/Helpers/initialization-nobug-extra.cpp -o %t
7// RUN: %env_asan_opts=check_initialization_order=true %run %t 2>&1
8// RUN: %clangxx_asan -O2 %s %p/Helpers/initialization-nobug-extra.cpp -o %t
9// RUN: %env_asan_opts=check_initialization_order=true %run %t 2>&1
10// RUN: %clangxx_asan -O3 %s %p/Helpers/initialization-nobug-extra.cpp -o %t
11// RUN: %env_asan_opts=check_initialization_order=true %run %t 2>&1
12
13// Simple access:
14// Make sure that accessing a global in the same TU is safe
15
16bool condition = true;
17int initializeSameTU() {
18 return condition ? 0x2a : 052;
19}
20int sameTU = initializeSameTU();
21
22// Linker initialized:
23// Check that access to linker initialized globals originating from a different
24// TU's initializer is safe.
25
26int A = (1 << 1) + (1 << 3) + (1 << 5), B;
27int getAB() {
28 return A * B;
29}
30
31// Function local statics:
32// Check that access to function local statics originating from a different
33// TU's initializer is safe.
34
35int countCalls() {
36 static int calls;
37 return ++calls;
38}
39
40// Trivial constructor, non-trivial destructor.
41struct StructWithDtor {
42 ~StructWithDtor() { }
43 int value;
44};
45StructWithDtor struct_with_dtor;
46int getStructWithDtorValue() { return struct_with_dtor.value; }
47
48int main() { return 0; }
49

source code of compiler-rt/test/asan/TestCases/initialization-nobug.cpp