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util/delegate.cpp: Fixed calculation of this pointer when casting member function pointers across virtual inheritance relationships using MSVC with /vmg.

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This commit is contained in:
Vas Crabb 2021-09-20 05:29:43 +10:00
parent 401b22bbf5
commit e135ac348d
1 changed files with 2 additions and 1 deletions
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src/lib/util/delegate.cpp
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@ -126,7 +126,8 @@ void delegate_mfp_msvc::adjust_this_pointer(delegate_generic_class *&object) con
std::uint8_t *byteptr = reinterpret_cast<std::uint8_t *>(object);
if ((sizeof(unknown_base_equiv) == m_size) && m_vt_index)
{
std::uint8_t const *const vptr = *reinterpret_cast<std::uint8_t const *const *>(byteptr + m_vptr_offs);
byteptr += m_vptr_offs;
std::uint8_t const *const vptr = *reinterpret_cast<std::uint8_t const *const *>(byteptr);
byteptr += *reinterpret_cast<int const *>(vptr + m_vt_index);
}
if (sizeof(single_base_equiv) < m_size)