https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82249
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords|diagnostic |rejects-valid
Priority|P3 |P1
Known to work| |7.2.1
--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
GCC 7 accepts the code. My version of clang rejects it with
t.C:5:6: error: constexpr variable 'calc' must be initialized by a constant
expression
[](auto n, auto dim)noexcept{ return dim; };
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
