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Remove obsolete section in limitations.md

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We no longer use `std::shuffle` to implement random test order, so
a debug mode bug in old versions of libstdc++ cannot apply to us.
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Martin Hořeňovský 2023-12-10 21:45:21 +01:00
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@ -173,13 +173,3 @@ TEST_CASE("b") {
If you are seeing a problem like this, i.e. weird test paths that trigger only under Clang with `libc++`, or only under very specific version of `libstdc++`, it is very likely you are seeing this. The only known workaround is to use a fixed version of your standard library. If you are seeing a problem like this, i.e. weird test paths that trigger only under Clang with `libc++`, or only under very specific version of `libstdc++`, it is very likely you are seeing this. The only known workaround is to use a fixed version of your standard library.
### libstdc++, `_GLIBCXX_DEBUG` macro and random ordering of tests
Running a Catch2 binary compiled against libstdc++ with `_GLIBCXX_DEBUG`
macro defined with `--order rand` will cause a debug check to trigger and
abort the run due to self-assignment.
[This is a known bug inside libstdc++](https://stackoverflow.com/questions/22915325/avoiding-self-assignment-in-stdshuffle/23691322)
Workaround: Don't use `--order rand` when compiling against debug-enabled
libstdc++.