[Bug c++/81236] Crash when calling a template member function from generic lambda

[jason at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81236

Jason Merrill <jason at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|ice-on-valid-code           |ice-on-invalid-code
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2017-08-24
                 CC|                            |jason at gcc dot gnu.org
     Ever confirmed|0                           |1

--- Comment #3 from Jason Merrill <jason at gcc dot gnu.org> ---
(In reply to Guillaume Racicot from comment #0)
> This code is valid and compiles under clang (3.8.0)

It isn't valid; with make_crash<i> you're trying to use a function parameter as
a non-type template argument.  A simplified version would be

template <int I> void f();

template <class T> constexpr void g(T t)
{
  f<t>();
}

int main()
{
  g(42);
}

which gcc and clang both properly reject.