Added vector<T>::insert tests suggested by code coverage results

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@221689 91177308-0d34-0410-b5e6-96231b3b80d8
Fixed a typo in a paper name: 4190 --> N4190

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@221690 91177308-0d34-0410-b5e6-96231b3b80d8
Fix typo in allocator_traits::construct. This fixes PR14175, which shows up if an allocator has a no-args construct method

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@221697 91177308-0d34-0410-b5e6-96231b3b80d8
Replaced checking in string_view::remove_suffix/remove_prefix by _LIBCPP_ASSERT, since this is technically undefined behavior. Fixes PR#21496

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@221717 91177308-0d34-0410-b5e6-96231b3b80d8
Merge branch 'master' of github.com:efcs/libcxx