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`testrunner` asserts on MSYS MINGW64 · Issue #477 · cppcheck-opensource/simplecpp · GitHub
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testrunner asserts on MSYS MINGW64 #477

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testrunner asserts on MSYS MINGW64#477
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@firewave
firewave
opened on Aug 4, 2025

Encountered while working on #475.

C:/msys64/mingw64/include/c++/15.1.0/bits/basic_string.h:1349: std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::const_reference std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::operator[](size_type) const [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; const_reference = const char&; size_type = long long unsigned int]: Assertion '__pos <= size()' failed.

I can reproduce it locally but for some reason the assertion does not break into the debugger so I have no trace. And I cannot reproduce it in a non-MSYS2 MinGW.

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  1. firewave
    added
    bug
    on Aug 4, 2025

  2. firewave commented on Aug 4, 2025

    @firewave
    firewave
    on Aug 4, 2025
    CollaboratorAuthor

    It happens in the timeDefine test.

    That also fails several testing asserts:

    ------ assertion failed ---------
line 2891
expected:10
actual:2
------ assertion failed ---------
line 2894
expected:1
actual:0
------ assertion failed ---------
line 2895
expected:1
actual:0

  3. firewave commented on Aug 4, 2025

    @firewave
    firewave
    on Aug 4, 2025
    CollaboratorAuthor

    The problem is that the asserts do not bail out.

    The underlying issue is actually #391.

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