message: Ignore redundant-decls warning on MinGW
diff: @@ -359,7 +359,9 @@ DOCTEST_MSVC_SUPPRESS_WARNING(26444) // Avoid unnamed objects with custom constr
  #elif DOCTEST_MSVC
  #define DOCTEST_BREAK_INTO_DEBUGGER() __debugbreak()
  #elif defined(__MINGW32__)
  +DOCTEST_GCC_SUPPRESS_WARNING_WITH_PUSH("-Wredundant-decls")
  extern "C" __declspec(dllimport) void __stdcall DebugBreak();
  +DOCTEST_GCC_SUPPRESS_WARNING_POP
  #define DOCTEST_BREAK_INTO_DEBUGGER() ::DebugBreak()
  #else // linux
  #define DOCTEST_BREAK_INTO_DEBUGGER() ((void)0)
  