https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94831

Jonathan Wakely <redi at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |rejects-valid

--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Here's a testcase that is definitely valid in C++17 and C++20, but fails with
GCC 10:

#include <memory>

int main()
{
  float i[2];
  std::uninitialized_value_construct(&i, &i + 1);
}

The standard says this just uses a new-expression, but we have always
implemented it by a call to _Construct, which now fails in GCC 10.

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