// Test that we can properly report an ODR violation between an instrumented // global and a non-instrumented global if not using private aliases. // RUN: %clang_asan -fcommon %s -fPIC -shared -mllvm -asan-use-private-alias=0 -o %dynamiclib1 -DFILE1 // RUN: %clang_asan -fcommon %s -fPIC -shared -mllvm -asan-use-private-alias=0 -o %dynamiclib2 -DFILE2 // RUN: %clang_asan -fcommon %s -fPIE %ld_flags_rpath_exe1 %ld_flags_rpath_exe2 -o %t // RUN: not %run %t 2>&1 | FileCheck %s // RUN: %clang_asan -fcommon %s -fPIC -shared -mllvm -asan-use-private-alias=1 -o %dynamiclib1 -DFILE1 // RUN: %clang_asan -fcommon %s -fPIC -shared -mllvm -asan-use-private-alias=1 -o %dynamiclib2 -DFILE2 // RUN: %run %t 2>&1 | count 0 // CHECK: The following global variable is not properly aligned. // CHECK: ERROR: AddressSanitizer: odr-violation #if defined(FILE1) __attribute__((aligned(8))) int x; __attribute__((aligned(1))) char y; // The gold linker puts ZZZ at the start of bss (where it is aligned) // unless we have a large alternative like Displace: __attribute__((aligned(1))) char Displace[105]; __attribute__((aligned(1))) char ZZZ[100]; #elif defined(FILE2) int ZZZ = 1; #else extern int ZZZ; int main() { return ZZZ; } #endif