Disable container overflow detection in Mac STL ASAN CI build

This seems to result in a false positive in BitmapComboBoxTestCase with
the following stack:

ERROR: AddressSanitizer: container-overflow on address 0x00010d5331c0 at pc 0x00010743e1e8 bp 0x00016b6f8940 sp 0x00016b6f8938
WRITE of size 8 at 0x00010d5331c0 thread T0
    #0 0x10743e1e4 in wxString::ConvertedBuffer<char>::ConvertedBuffer() string.h:3598
    #1 0x10743ddbc in wxString::ConvertedBuffer<char>::ConvertedBuffer() string.h:3598
    #2 0x10743f49c in wxString::wxString(wxString const&) string.h:1157
    #3 0x1074324ac in wxString::wxString(wxString const&) string.h:1157
    #4 0x10747a4c4 in void std::__1::allocator<wxString>::construct<wxString, wxString const&>(wxString*, wxString const&) memory:916
    #5 0x10747a3f8 in void std::__1::allocator_traits<std::__1::allocator<wxString> >::construct<wxString, wxString const&, void>(std::__1::allocator<wxString>&, wxString*, wxString const&) allocator_traits.h:288
    #6 0x107479e2c in std::__1::vector<wxString, std::__1::allocator<wxString> >::__construct_at_end(unsigned long, wxString const&) vector:1063
    #7 0x107479b3c in std::__1::vector<wxString, std::__1::allocator<wxString> >::insert(std::__1::__wrap_iter<wxString const*>, unsigned long, wxString const&) vector:1889
    #8 0x10756085c in wxBaseArray<wxString, wxSortedArray_SortFunction<wxString> >::Insert(wxString, unsigned long, unsigned long) dynarray.h:181
    #9 0x108028fbc in wxVListBoxComboPopup::Insert(wxString const&, int) odcombo.cpp:539
    #10 0x108030180 in wxOwnerDrawnComboBox::DoInsertItems(wxArrayStringsAdapter const&, unsigned int, void**, wxClientDataType) odcombo.cpp:1122
    #11 0x10826d690 in wxBitmapComboBox::DoInsertItems(wxArrayStringsAdapter const&, unsigned int, void**, wxClientDataType) bmpcboxg.cpp:169
    #12 0x10485271c in wxItemContainer::InsertItems(wxArrayStringsAdapter const&, unsigned int, void**, wxClientDataType) ctrlsub.h:160
    #13 0x1048522a0 in wxItemContainer::InsertItems(wxArrayStringsAdapter const&, unsigned int) ctrlsub.h:165
    #14 0x10483c08c in wxItemContainer::Insert(wxArrayString const&, unsigned int) ctrlsub.h:247
    #15 0x10483dac8 in ItemContainerTestCase::Count() itemcontainertest.cpp:96
    #16 0x104866e04 in BitmapComboBoxTestCase::runTest() bitmapcomboboxtest.cpp:50
    ...

0x00010d5331c0 is located 64 bytes inside of 160-byte region [0x00010d533180,0x00010d533220)
allocated by thread T0 here:
    #0 0x105546714 in wrap__Znwm+0x74 (libclang_rt.asan_osx_dynamic.dylib:arm64e+0x4a714)
    #1 0x10747ae10 in void* std::__1::__libcpp_operator_new<unsigned long>(unsigned long) new:235
    #2 0x10747ad6c in std::__1::__libcpp_allocate(unsigned long, unsigned long) new:261
    #3 0x10747ace8 in std::__1::allocator<wxString>::allocate(unsigned long) memory:870
    #4 0x10747ab88 in std::__1::allocator_traits<std::__1::allocator<wxString> >::allocate(std::__1::allocator<wxString>&, unsigned long) allocator_traits.h:260
    #5 0x10747aac4 in std::__1::__split_buffer<wxString, std::__1::allocator<wxString>&>::__split_buffer(unsigned long, unsigned long, std::__1::allocator<wxString>&) __split_buffer:314
    #6 0x10747a110 in std::__1::__split_buffer<wxString, std::__1::allocator<wxString>&>::__split_buffer(unsigned long, unsigned long, std::__1::allocator<wxString>&) __split_buffer:313
    #7 0x107479c30 in std::__1::vector<wxString, std::__1::allocator<wxString> >::insert(std::__1::__wrap_iter<wxString const*>, unsigned long, wxString const&) vector:1904
    #8 0x10756085c in wxBaseArray<wxString, wxSortedArray_SortFunction<wxString> >::Insert(wxString, unsigned long, unsigned long) dynarray.h:181
    #9 0x108028fbc in wxVListBoxComboPopup::Insert(wxString const&, int) odcombo.cpp:539
    #10 0x108030180 in wxOwnerDrawnComboBox::DoInsertItems(wxArrayStringsAdapter const&, unsigned int, void**, wxClientDataType) odcombo.cpp:1122
    #11 0x10826d690 in wxBitmapComboBox::DoInsertItems(wxArrayStringsAdapter const&, unsigned int, void**, wxClientDataType) bmpcboxg.cpp:169
    #12 0x1075590bc in wxItemContainer::DoAppendItems(wxArrayStringsAdapter const&, void**, wxClientDataType) ctrlsub.h:352
    #13 0x10484c9e0 in wxItemContainer::AppendItems(wxArrayStringsAdapter const&, void**, wxClientDataType) ctrlsub.h:117
    #14 0x10484c8d4 in wxItemContainer::AppendItems(wxArrayStringsAdapter const&) ctrlsub.h:122
    #15 0x10483999c in wxItemContainer::Append(wxArrayString const&) ctrlsub.h:209
    #16 0x10483ccfc in ItemContainerTestCase::Count() itemcontainertest.cpp:82
    #17 0x104866e04 in BitmapComboBoxTestCase::runTest() bitmapcomboboxtest.cpp:50
    ...

.github/workflows/ci_mac.yml

@@ -203,7 +203,11 @@ jobs:
       if: matrix.skip_testing != true
       working-directory: tests
       run: |
-        export ASAN_OPTIONS=fast_unwind_on_malloc=0
+        # We currently need to disable container overflow detection as we get
+        # what seems to be a false positive in BitmapComboBoxTestCase triggered
+        # by creating a new string from std::allocator<wxString>::construct()
+        # used by std::vector<>::insert().
+        export ASAN_OPTIONS='fast_unwind_on_malloc=0 detect_container_overflow=0'
         # Exclude tests that are currently known to fail
         wx_tests_selection='~[valnum] ~wxPersistTLW ~wxPersistDVC ~wxTopLevel::Show ~wxFont::Weight ~wxFont::NativeFontInfo ~WebView ~RadioButton::Single ~RadioButton::Focus ~wxHtmlPrintout::Pagination ~ChoiceTestCase ~ComboBoxTestCase ~CheckListBoxTestCase ~ListBoxTestCase ~RearrangeListTestCase ~wxTextCtrl::GetBestSize ~TextCtrlTestCase ~ClippingBoxTestCase::wxClientDC ~wxExecute::RedirectUTF8 ~Ellipsization::NormalCase ~SpinCtrl::* ~SpinCtrlDouble::* ~NotebookTestCase ~SettingsTestCase ~XRC::LoadURL ~Window::Show ~ModalDialogsTestCase ~Button::Click ~Button::Disabled ~wxDVC::GetItemRect ~wxDVC::AppendTextColumn ~Grid::KeyboardSelection ~Grid::CellClick ~Grid::ReorderedColumnsCellClick ~Grid::CellSelect ~wxStyledTextCtrl::AutoComp ~EvtLoopTestCase ~EventPropagationTestCase'
         ./test_gui $wx_tests_selection