https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79501
eracpp at eml dot cc changed:
What |Removed |Added
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CC| |eracpp at eml dot cc
--- Comment #1 from eracpp at eml dot cc ---
Still observed on trunk (GCC 9.0.0 20180722):
https://wandbox.org/permlink/vpY98XCvEz2k0IN9
Relevant paragraph from the standard ([temp.deduct.guild]-3):
http://eel.is/c++draft/temp.deduct.guide#3.sentence-4
"A deduction-guide shall be declared in the same scope as the corresponding
class template and, for a member class template, with the same access."