Ubuntu
gcc-12 package

  1. Bug #1983852
  2. Comment #2

Comment 2 for bug 1983852

Revision history for this message
Michał Sawicz (saviq) wrote (last edit ): Re: `forming offset [32, 36] is out of the bounds` error on arm64 with precompiled headers

I got this reproduced down to:

```cpp
class Class
{
    public:
        void member(bool) {};
};

namespace
{

struct MockClass : public Class
{
    MOCK_METHOD1(member, void(bool));
};

}

TEST(Test, tests)
{
    MockClass object;
    EXPECT_CALL(object, member(testing::_));
}
```

The cmake_pch.hxx:

```cpp
/* generated by CMake */

#pragma GCC system_header
#ifdef __cplusplus
#include <gmock/gmock.h>
#include <gtest/gtest.h>
#include <vector>
#include <string>
#include <exception>
#include <memory>
#endif // __cplusplus
```

The compiler command:

```
/usr/bin/g++-12 -DBOOST_ALL_NO_LIB -DBOOST_DATE_TIME_DYN_LINK -DBOOST_FILESYSTEM_DYN_LINK -DBOOST_IOSTREAMS_DYN_LINK -DBOOST_PROGRAM_OPTIONS_DYN_LINK -DBOOST_SYSTEM_DYN_LINK -DEGL_NO_X11 -DGTEST_VERSION_MAJOR=1 -DGTEST_VERSION_MINOR=12 -DGTEST_VERSION_PATCH=1 -DLTTNG_UST_HAVE_SDT_INTEGRATION -DMESA_EGL_NO_X11_HEADERS -DMIR_BUILD_PLATFORM_GBM_KMS -DMIR_DRMMODEADDFB_HAS_CONST_SIGNATURE -DMIR_VERSION_MAJOR=2 -DMIR_VERSION_MICRO=0 -DMIR_VERSION_MINOR=8 -D_FILE_OFFSET_BITS=64 -I/usr/src/googletest/googlemock/include -O2 -ffat-lto-objects -pthread -fPIC -std=c++20 -include /home/ubuntu/mir/build-arm64/tests/acceptance-tests/CMakeFiles/mir_acceptance_tests.dir/cmake_pch.hxx -c tmp.cpp

In file included from /usr/include/c++/12/ios:40,
                 from /usr/include/c++/12/ostream:38,
                 from /usr/include/c++/12/bits/unique_ptr.h:41,
                 from /usr/include/c++/12/memory:76,
                 from /usr/src/googletest/googlemock/include/gmock/gmock-actions.h:139,
                 from /usr/src/googletest/googlemock/include/gmock/gmock.h:56,
                 from /home/ubuntu/mir/build-arm64/tests/acceptance-tests/CMakeFiles/mir_acceptance_tests.dir/cmake_pch.hxx:5,
                 from <command-line>:
In static member function ‘static constexpr std::char_traits<char>::char_type* std::char_traits<char>::copy(char_type*, const char_type*, std::size_t)’,
    inlined from ‘constexpr std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&) [with _CharT = char; _Traits = std::char_traits<char>;
 _Alloc = std::allocator<char>]’ at /usr/include/c++/12/bits/basic_string.h:674:23,
    inlined from ‘constexpr std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(__cxx11::basic_string<_CharT, _Traits, _Allocator>&&, const _CharT*) [with _CharT = char; _Traits = char
_traits<char>; _Alloc = allocator<char>]’ at /usr/include/c++/12/bits/basic_string.h:3554:43,
    inlined from ‘testing::internal::TypedExpectation<F>& testing::internal::MockSpec<F>::InternalExpectedAt(const char*, int, const char*, const char*) [with F = void(bool)]’ at /usr/src/googletest/goog
lemock/include/gmock/gmock-spec-builders.h:1278:23,
    inlined from ‘virtual void Test_tests_Test::TestBody()’ at tmp.cpp:20:5:
/usr/include/c++/12/bits/char_traits.h:431:56: warning: ‘void* __builtin_memcpy(void*, const void*, long unsigned int)’ writing 19 bytes into a region of size 16 overflows the destination [-Wstringop-ove
rflow=]
  431 | return static_cast<char_type*>(__builtin_memcpy(__s1, __s2, __n));
      | ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
In file included from /usr/src/googletest/googlemock/include/gmock/gmock-function-mocker.h:43,
                 from /usr/src/googletest/googlemock/include/gmock/gmock.h:58:
/usr/src/googletest/googlemock/include/gmock/gmock-spec-builders.h: In member function ‘virtual void Test_tests_Test::TestBody()’:
/usr/src/googletest/googlemock/include/gmock/gmock-spec-builders.h:1278:63: note: at offset 16 into destination object ‘<anonymous>’ of size 32
 1278 | const std::string source_text(std::string("EXPECT_CALL(") + obj + ", " +
      | ~~~~~~~~~~~~~~~~~~~~~~~^~~~~
In static member function ‘static constexpr std::char_traits<char>::char_type* std::char_traits<char>::copy(char_type*, const char_type*, std::size_t)’,
    inlined from ‘constexpr std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&) [with _CharT = char; _Traits = std::char_traits<char>;
 _Alloc = std::allocator<char>]’ at /usr/include/c++/12/bits/basic_string.h:674:23,
    inlined from ‘constexpr std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(__cxx11::basic_string<_CharT, _Traits, _Allocator>&&, const _CharT*) [with _CharT = char; _Traits = char
_traits<char>; _Alloc = allocator<char>]’ at /usr/include/c++/12/bits/basic_string.h:3554:43,
    inlined from ‘testing::internal::TypedExpectation<F>& testing::internal::MockSpec<F>::InternalExpectedAt(const char*, int, const char*, const char*) [with F = void(bool)]’ at /usr/src/googletest/goog
lemock/include/gmock/gmock-spec-builders.h:1278:23,
    inlined from ‘virtual void Test_tests_Test::TestBody()’ at tmp.cpp:20:5:
/usr/include/c++/12/bits/char_traits.h:431:56: warning: ‘void* __builtin_memcpy(void*, const void*, long unsigned int)’ writing 21 bytes into a region of size 16 overflows the destination [-Wstringop-ove
rflow=]
  431 | return static_cast<char_type*>(__builtin_memcpy(__s1, __s2, __n));
      | ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
/usr/src/googletest/googlemock/include/gmock/gmock-spec-builders.h: In member function ‘virtual void Test_tests_Test::TestBody()’:
/usr/src/googletest/googlemock/include/gmock/gmock-spec-builders.h:1278:69: note: at offset 16 into destination object ‘<anonymous>’ of size 32
 1278 | const std::string source_text(std::string("EXPECT_CALL(") + obj + ", " +
      | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
In static member function ‘static constexpr std::char_traits<char>::char_type* std::char_traits<char>::copy(char_type*, const char_type*, std::size_t)’,
    inlined from ‘constexpr std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&) [with _CharT = char; _Traits = std::char_traits<char>;
 _Alloc = std::allocator<char>]’ at /usr/include/c++/12/bits/basic_string.h:674:23,
    inlined from ‘constexpr std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(__cxx11::basic_string<_CharT, _Traits, _Allocator>&&, const _CharT*) [with _CharT = char; _Traits = char
_traits<char>; _Alloc = allocator<char>]’ at /usr/include/c++/12/bits/basic_string.h:3554:43,
    inlined from ‘testing::internal::TypedExpectation<F>& testing::internal::MockSpec<F>::InternalExpectedAt(const char*, int, const char*, const char*) [with F = void(bool)]’ at /usr/src/googletest/goog
lemock/include/gmock/gmock-spec-builders.h:1278:23,
    inlined from ‘virtual void Test_tests_Test::TestBody()’ at tmp.cpp:20:5:
/usr/include/c++/12/bits/char_traits.h:431:56: warning: ‘void* __builtin_memcpy(void*, const void*, long unsigned int)’ writing 39 bytes into a region of size 16 overflows the destination [-Wstringop-ove
rflow=]
  431 | return static_cast<char_type*>(__builtin_memcpy(__s1, __s2, __n));
      | ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
/usr/src/googletest/googlemock/include/gmock/gmock-spec-builders.h: In member function ‘virtual void Test_tests_Test::TestBody()’:
/usr/src/googletest/googlemock/include/gmock/gmock-spec-builders.h:1278:76: note: at offset 16 into destination object ‘<anonymous>’ of size 32
 1278 | const std::string source_text(std::string("EXPECT_CALL(") + obj + ", " +
      | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
 1279 | call + ")");
      | ~~~~
In static member function ‘static constexpr std::char_traits<char>::char_type* std::char_traits<char>::copy(char_type*, const char_type*, std::size_t)’,
    inlined from ‘constexpr std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&) [with _CharT = char; _Traits = std::char_traits<char>;
 _Alloc = std::allocator<char>]’ at /usr/include/c++/12/bits/basic_string.h:674:23,
    inlined from ‘constexpr std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(__cxx11::basic_string<_CharT, _Traits, _Allocator>&&, const _CharT*) [with _CharT = char; _Traits = char
_traits<char>; _Alloc = allocator<char>]’ at /usr/include/c++/12/bits/basic_string.h:3554:43,
    inlined from ‘testing::internal::TypedExpectation<F>& testing::internal::MockSpec<F>::InternalExpectedAt(const char*, int, const char*, const char*) [with F = void(bool)]’ at /usr/src/googletest/goog
lemock/include/gmock/gmock-spec-builders.h:1278:23,
    inlined from ‘virtual void Test_tests_Test::TestBody()’ at tmp.cpp:20:5:
/usr/include/c++/12/bits/char_traits.h:431:56: warning: ‘void* __builtin_memcpy(void*, const void*, long unsigned int)’ writing 40 bytes into a region of size 16 overflows the destination [-Wstringop-ove
rflow=]
  431 | return static_cast<char_type*>(__builtin_memcpy(__s1, __s2, __n));
      | ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
/usr/src/googletest/googlemock/include/gmock/gmock-spec-builders.h: In member function ‘virtual void Test_tests_Test::TestBody()’:
/usr/src/googletest/googlemock/include/gmock/gmock-spec-builders.h:1278:23: note: at offset 16 into destination object ‘source_text’ of size 32
 1278 | const std::string source_text(std::string("EXPECT_CALL(") + obj + ", " +
      | ^~~~~~~~~~~
```

Now, anything I change in the command above, it will then compile, because it will not use the precompiled headers.