Remove cv qualifiers from member pointers in the __member_pointer_traits test.  This was causing a const-qualified bind result to malfunction.  This was a recent regression due to the new use of __member_pointer_traits in restricting the __invokable and __invoke_of tests.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@181935 91177308-0d34-0410-b5e6-96231b3b80d8
Glen:  This patch gets the string conversion functions working on Windows.  It also refactors repetitive code in string.cpp do greatly reduce the repetitiveness, increasing maintainability.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@182026 91177308-0d34-0410-b5e6-96231b3b80d8
Create a weak pthread_create reference on NetBSD to not force a
dependency on libpthread for code that doesn't use threads itself.


git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@182161 91177308-0d34-0410-b5e6-96231b3b80d8
Add NetBSD support.


git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@182162 91177308-0d34-0410-b5e6-96231b3b80d8
Fix a couple of bugs in linear_congruential_engine::seed.  Regression test added.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@182421 91177308-0d34-0410-b5e6-96231b3b80d8
Neglected to remove a debugging comment from last commit.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@182422 91177308-0d34-0410-b5e6-96231b3b80d8