[Bug c++/66921] [4.9/5/6 Regression] failure to determine size of static constexpr array that is nested within a templated class

[jim at meyering dot net]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66921

jim at meyering dot net changed:

           What    |Removed                     |Added
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                 CC|                            |jim at meyering dot net

--- Comment #3 from jim at meyering dot net ---
I too have just found my upgrade to 4.9.x blocked by many instances of this
problem. Any fix in gcc would be most welcome.