[PATCH] D27267: [libcxx] [test] Fix MSVC x64 warning C4267 "conversion from 'size_t' to 'int' [or 'unsigned int'], possible loss of data", part 1/4.

[Eric Fiselier via Phabricator via cfe-commits]

EricWF accepted this revision.
EricWF added a comment.
This revision is now accepted and ready to land.

LGTM.

Random thought: It would be nice for C++ to have a `non_truncating_cast<T>(value)` which generated an error when the conversion performs a truncation.  This seems like the behavior we want for most of these changes, since the cast *shouldn't* truncate.


https://reviews.llvm.org/D27267