[Bug c++/66160] gcc-5.1.0 fails with "lambda-expression in unevaluated context" where gcc-4.9.2 succeeds

[zhykzhykzhyk at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66160

zhykzhykzhyk at gmail dot com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |zhykzhykzhyk at gmail dot com

--- Comment #1 from zhykzhykzhyk at gmail dot com ---
Simplified:

$ cat bug.cc
template <typename T>
class A {
  typedef decltype((T())[0]) t;
};
$ g++ --std=c++14 bug.cc
bug.cc:3:25: error: lambda-expression in unevaluated context
   typedef decltype((T())[0]) t;
                         ^

Tested in g++ 5.1.0. Clang does the same thing.