[libc++][test] Silence more warnings in variant tests
authorCasey Carter <Casey@Carter.net>
Mon, 14 Oct 2019 14:38:12 +0000 (14:38 +0000)
committerCasey Carter <Casey@Carter.net>
Mon, 14 Oct 2019 14:38:12 +0000 (14:38 +0000)
commita4f07b4d2e8d3523cd6454cf8a9410c0cfca0410
tree32b66e6791c77f5daada2381aa8918f485e3a73f
parenta5ef3daf1d776384eff624725dfc1738e02ad018
[libc++][test] Silence more warnings in variant tests

More cases of signed-to-unsigned conversion warnings that missed the train for d2623522.

llvm-svn: 374778
libcxx/test/std/utilities/variant/variant.variant/variant.assign/copy.pass.cpp
libcxx/test/std/utilities/variant/variant.variant/variant.assign/move.pass.cpp
libcxx/test/std/utilities/variant/variant.variant/variant.mod/emplace_index_args.pass.cpp
libcxx/test/std/utilities/variant/variant.variant/variant.mod/emplace_type_args.pass.cpp