On 24 May 2017 at 14:35, Marshall Clow via Phabricator via cfe-commits <
cfe-commits@lists.llvm.org> wrote:
> mclow.lists added a comment.
>
> This broke a libc++ test. The following is expected to fail to compile:
>
> #include <complex>
> #include <cassert>
>
> int main()
> {
> std::complex<float> foo = 1.0if; // should fail w/conversion
> operator not found
> }
>
> when build as C++1z
I think this is expected. Clang has an extension where it treats 1.0if as a
_Complex float if no operator""if is available; libc++ has an extension
where std::complex<float> can be initialized from _Complex float. For the
same reason, that code has historically worked in C++11 and C++98 modes.
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