[Bug c++/61806] [C++11] Expression sfinae w/o access gives hard error in partial template specializations

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61806

--- Comment #5 from Jonathan Wakely <redi at gcc dot gnu.org> ---
http://lab.llvm.org:8011/builders/libcxx-libcxxabi-x86_64-linux-ubuntu-gcc-tot-latest-std/builds/310/steps/test.libcxx/logs/FAIL%3A%20libc%2B%2B%3A%3Adeduct.pass.cpp