Eric Fiselier 882fdf68b7 Fix non-conformance it std::tuple.
Previously we implemented all one trillion tuple-like constructors using
a single generic overload. This worked fairly well, except that it
differed in behavior from the standard version because it didn't
consider both T&& and T const&. This was observable for certain
types.

This patch addresses that issue by splitting the generic constructor
in two. We now provide both T&& and T const& versions of the
tuple-like constructors (sort of).

llvm-svn: 365973
2019-07-12 23:01:48 +00:00
..
2019-06-17 19:37:26 +00:00
2019-07-12 23:01:48 +00:00