move inline keyword

Author: jeremyd2019

libcxx/include/__config

@@ -545,7 +545,7 @@ typedef __char32_t char32_t;
 // be declared with _LIBCPP_HIDE_FROM_ABI_AFTER_V1 otherwise they build to DLL will be inaccessible by MinGW-GCC.
 //// ** in-progress: describe peculiar behavior of MinGW-GCC **
 #  if defined(__MINGW32__) || defined(__CYGWIN__)
-#    define _LIBCPP_HIDE_FROM_ABI_MINGW_OR_AFTER_V1 inline _LIBCPP_HIDE_FROM_ABI
+#    define _LIBCPP_HIDE_FROM_ABI_MINGW_OR_AFTER_V1 _LIBCPP_HIDE_FROM_ABI
 #  else
 #    define _LIBCPP_HIDE_FROM_ABI_MINGW_OR_AFTER_V1 _LIBCPP_HIDE_FROM_ABI_AFTER_V1
 #  endif

libcxx/include/__ostream/basic_ostream.h

@@ -186,8 +186,8 @@ class basic_ostream<_CharT, _Traits>::sentry {
   basic_ostream<_CharT, _Traits>& __os_;
 
 public:
-  explicit _LIBCPP_HIDE_FROM_ABI_MINGW_OR_AFTER_V1 sentry(basic_ostream<_CharT, _Traits>& __os);
-  _LIBCPP_HIDE_FROM_ABI_MINGW_OR_AFTER_V1 ~sentry();
+  explicit inline _LIBCPP_HIDE_FROM_ABI_MINGW_OR_AFTER_V1 sentry(basic_ostream<_CharT, _Traits>& __os);
+  inline _LIBCPP_HIDE_FROM_ABI_MINGW_OR_AFTER_V1 ~sentry();
   sentry(const sentry&)            = delete;
   sentry& operator=(const sentry&) = delete;
 

libcxx/include/istream

@@ -309,7 +309,7 @@ class basic_istream<_CharT, _Traits>::sentry {
   bool __ok_;
 
 public:
-  explicit _LIBCPP_HIDE_FROM_ABI_MINGW_OR_AFTER_V1 sentry(basic_istream<_CharT, _Traits>& __is, bool __noskipws = false);
+  explicit inline _LIBCPP_HIDE_FROM_ABI_MINGW_OR_AFTER_V1 sentry(basic_istream<_CharT, _Traits>& __is, bool __noskipws = false);
   //    ~sentry() = default;
 
   _LIBCPP_HIDE_FROM_ABI explicit operator bool() const { return __ok_; }