[libcxx-commits] [libcxx] [libc++] Fix checks for terminal and flushes in std::print() (PR #70321)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions ,h,cpp -- libcxx/include/__ostream/print.h libcxx/include/print libcxx/src/print.cpp libcxx/test/libcxx/input.output/iostream.format/output.streams/ostream.formatted/ostream.formatted.print/vprint_unicode.pass.cpp libcxx/test/libcxx/input.output/iostream.format/print.fun/vprint_unicode_windows.pass.cpp --diff_from_common_commit
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``````````diff
diff --git a/libcxx/include/print b/libcxx/include/print
index c9651ccc8..f5e7993fa 100644
--- a/libcxx/include/print
+++ b/libcxx/include/print
@@ -195,17 +195,17 @@ inline constexpr bool __use_unicode_execution_charset = _MSVC_EXECUTION_CHARACTE
 inline constexpr bool __use_unicode_execution_charset = true;
 #    endif
 
-#if defined(_LIBCPP_WIN32API) && _LIBCPP_AVAILABILITY_HAS_PRINT
+#    if defined(_LIBCPP_WIN32API) && _LIBCPP_AVAILABILITY_HAS_PRINT
 _LIBCPP_HIDE_FROM_ABI inline bool __is_terminal([[maybe_unused]] FILE* __stream) {
   // The macro _LIBCPP_TESTING_PRINT_IS_TERMINAL is used to change
   // the behavior in the test. This is not part of the public API.
-#    ifdef _LIBCPP_TESTING_PRINT_IS_TERMINAL
+#      ifdef _LIBCPP_TESTING_PRINT_IS_TERMINAL
   return _LIBCPP_TESTING_PRINT_IS_TERMINAL(__stream);
-#    else
+#      else
   return std::__is_windows_terminal(__stream);
-#    endif
+#      endif
 }
-#endif
+#    endif
 
 template <class = void> // TODO PRINT template or availability markup fires too eagerly (http://llvm.org/PR61563).
 _LIBCPP_HIDE_FROM_ABI inline void

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https://github.com/llvm/llvm-project/pull/70321