https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78301
--- Comment #3 from Benjamin Buch <benni.buch at gmail dot com> ---
No, it isn't.
$ g++ -std=c++11 -o a a.cpp
a.cpp:3:41: error: invalid use of 'this' at top level
void outer() const noexcept( noexcept( this->inner() ) ) {
tested with:
$ g++ --version
g++ (GCC) 7.0.1 20170221 (experimental)
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