compiler-rt/test/asan/TestCases/Linux/odr-vtable.cpp

   1 // Fails with debug checks: https://bugs.llvm.org/show_bug.cgi?id=46862
   2 // XFAIL: !compiler-rt-optimized && !target=riscv64{{.*}}
   3
   4 // REQUIRES: shared_cxxabi
   5
   6 /// Not using private alias or enabling ODR indicator can detect ODR issues.
   7 // RUN: %clangxx_asan -fno-rtti -DBUILD_SO1 -fPIC -shared -mllvm -asan-use-private-alias=0 %s -o %dynamiclib1
   8 // RUN: %clangxx_asan -fno-rtti -DBUILD_SO2 -fPIC -shared -mllvm -asan-use-private-alias=0 %s -o %dynamiclib2
   9 // RUN: %clangxx_asan -fno-rtti %s %ld_flags_rpath_exe1 %ld_flags_rpath_exe2 -o %t
  10 // RUN: %env_asan_opts=fast_unwind_on_malloc=0:detect_odr_violation=2 not %run %t 2>&1 | FileCheck %s
  11
  12 // RUN: %clangxx_asan -fno-rtti -DBUILD_SO1 -fPIC -shared -mllvm -asan-use-odr-indicator=1 %s -o %dynamiclib1
  13 // RUN: %clangxx_asan -fno-rtti -DBUILD_SO2 -fPIC -shared -mllvm -asan-use-odr-indicator=1 %s -o %dynamiclib2
  14 // RUN: %env_asan_opts=fast_unwind_on_malloc=0:detect_odr_violation=2 not %run %t 2>&1 | FileCheck %s
  15
  16 /// By default we can detect ODR issues in vtables.
  17 // RUN: %clangxx_asan -fno-rtti -DBUILD_SO1 -fPIC -shared %s -o %dynamiclib1
  18 // RUN: %clangxx_asan -fno-rtti -DBUILD_SO2 -fPIC -shared %s -o %dynamiclib2
  19 // RUN: %env_asan_opts=fast_unwind_on_malloc=0:detect_odr_violation=2 not %run %t 2>&1 | FileCheck %s
  20
  21 struct XYZ {
  22   virtual void foo();
  23 };
  24
  25 #if defined(BUILD_SO1)
  26
  27 void XYZ::foo() {}
  28
  29 #elif defined(BUILD_SO2)
  30
  31 void XYZ::foo() {}
  32
  33 #else
  34
  35 int main() {}
  36
  37 #endif
  38
  39 // CHECK: AddressSanitizer: odr-violation
  40 // CHECK-NEXT: 'vtable for XYZ'
  41 // CHECK-NEXT: 'vtable for XYZ'