https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65675
--- Comment #5 from Jonathan Wakely <redi at gcc dot gnu.org> ---
It doesn't allow bootstrapping without a hosted runtime, but we probably want
this patch in libstdc++ anyway:
--- a/libstdc++-v3/include/bits/stl_algo.h
+++ b/libstdc++-v3/include/bits/stl_algo.h
@@ -4420,6 +4420,7 @@ _GLIBCXX_BEGIN_NAMESPACE_ALGO
std::__iterator_category(__result));
}
+#if _GLIBCXX_HOSTED
/**
* @brief Randomly shuffle the elements of a sequence.
* @ingroup mutating_algorithms
@@ -4450,6 +4451,7 @@ _GLIBCXX_BEGIN_NAMESPACE_ALGO
std::iter_swap(__i, __j);
}
}
+#endif
/**
* @brief Shuffle the elements of a sequence using a random number
