Remove minor unrelated changes

Author: vogelsgesang

libcxx/CMakeLists.txt

@@ -731,7 +731,6 @@ config_define(${LIBCXX_ABI_VERSION} _LIBCPP_ABI_VERSION)
 config_define(${LIBCXX_ABI_NAMESPACE} _LIBCPP_ABI_NAMESPACE)
 config_define(${LIBCXX_ABI_FORCE_ITANIUM} _LIBCPP_ABI_FORCE_ITANIUM)
 config_define(${LIBCXX_ABI_FORCE_MICROSOFT} _LIBCPP_ABI_FORCE_MICROSOFT)
-config_define(${LIBCXX_CXX_ABI} _LIBCXX_CXX_ABI)
 config_define(${LIBCXX_ENABLE_THREADS} _LIBCPP_HAS_THREADS)
 config_define(${LIBCXX_ENABLE_MONOTONIC_CLOCK} _LIBCPP_HAS_MONOTONIC_CLOCK)
 config_define(${LIBCXX_HAS_TERMINAL_AVAILABLE} _LIBCPP_HAS_TERMINAL)

libcxx/include/__exception/exception_ptr.h

@@ -272,7 +272,6 @@ _LIBCPP_HIDE_FROM_ABI exception_ptr make_exception_ptr(_Ep __e) _NOEXCEPT {
 }
 
 #endif // _LIBCPP_ABI_MICROSOFT
-
 _LIBCPP_END_UNVERSIONED_NAMESPACE_STD
 
 #if defined(_LIBCPP_CXX_ABI_NONE)

libcxx/include/__exception/nested_exception.h

@@ -35,9 +35,7 @@ class _LIBCPP_EXPORTED_FROM_ABI nested_exception {
 public:
   nested_exception() _NOEXCEPT;
   _LIBCPP_HIDE_FROM_ABI nested_exception(const nested_exception&) _NOEXCEPT            = default;
-  _LIBCPP_HIDE_FROM_ABI nested_exception(nested_exception&&) _NOEXCEPT                 = default;
   _LIBCPP_HIDE_FROM_ABI nested_exception& operator=(const nested_exception&) _NOEXCEPT = default;
-  _LIBCPP_HIDE_FROM_ABI nested_exception& operator=(nested_exception&&) _NOEXCEPT      = default;
   virtual ~nested_exception() _NOEXCEPT;
 
   // access functions

libcxx/src/support/runtime/exception_libcxxabi.ipp

@@ -8,6 +8,7 @@
 //===----------------------------------------------------------------------===//
 
 #include <cxxabi.h>
+
 namespace std {
 
 bool uncaught_exception() noexcept { return uncaught_exceptions() > 0; }