[PATCH] D68681: [libc++][test] Miscellaneous MSVC cleanups

[Casey Carter via Phabricator via cfe-commits]

CaseyCarter created this revision.
CaseyCarter added reviewers: mclow.lists, EricWF, ldionne.
Herald added a subscriber: dexonsmith.

- Silence unused-local-typedef warnings: `map.cons/assign_initializer_list.pass.cpp` (and the `set.cons` variant) uses a local typedef only within `LIBCPP_ASSERT`s, so clang diagnoses it as unused when testing non-libc++.

- Add missing include: `c.math/abs.pass.cpp` uses `std::numeric_limits` but failed to `#include <limits>`.

- Don't test non-type: A "recent" change to `meta.trans.other/underlying_type.pass.cpp` unconditionally tests the type `F` which is conditionally defined.

- Silence truncation warnings: A few deduction guide tests use `unordered_meow<int, /**/ hash<short>>` which triggers sirens and claxons (as it should). `midpoint.float.pass` uses `float meow = 3.14;`, which triggers bogus truncation warnings.


https://reviews.llvm.org/D68681

Files:
  test/std/containers/associative/map/map.cons/assign_initializer_list.pass.cpp
  test/std/containers/associative/set/set.cons/assign_initializer_list.pass.cpp
  test/std/containers/unord/unord.map/unord.map.cnstr/deduct.pass.cpp
  test/std/containers/unord/unord.multiset/unord.multiset.cnstr/deduct.pass.cpp
  test/std/containers/unord/unord.set/unord.set.cnstr/deduct.pass.cpp
  test/std/numerics/c.math/abs.pass.cpp
  test/std/numerics/numeric.ops/numeric.ops.midpoint/midpoint.float.pass.cpp
  test/std/utilities/meta/meta.trans/meta.trans.other/underlying_type.pass.cpp

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