[llvm] [llvm][Support] Make sys::fs::file_t into a seperate type (PR #160588)

[via llvm-commits]

github-actions[bot] wrote:

<!--PREMERGE ADVISOR COMMENT: Linux-->
# :penguin: Linux x64 Test Results

The build failed before running any tests. Click on a failure below to see the details.

<details>
<summary>lib/Support/CMakeFiles/LLVMSupport.dir/Path.cpp.o</summary>

```
FAILED: lib/Support/CMakeFiles/LLVMSupport.dir/Path.cpp.o
sccache /opt/llvm/bin/clang++ -DGTEST_HAS_RTTI=0 -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GLIBCXX_USE_CXX11_ABI=1 -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/gha/actions-runner/_work/llvm-project/llvm-project/build/lib/Support -I/home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/lib/Support -I/home/gha/actions-runner/_work/llvm-project/llvm-project/build/include -I/home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/include -I/home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/../third-party/siphash/include -gmlt -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -pedantic -Wno-long-long -Wc++98-compat-extra-semi -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wno-pass-failed -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -Werror=global-constructors -O3 -DNDEBUG -std=c++17 -UNDEBUG  -fno-exceptions -funwind-tables -fno-rtti -MD -MT lib/Support/CMakeFiles/LLVMSupport.dir/Path.cpp.o -MF lib/Support/CMakeFiles/LLVMSupport.dir/Path.cpp.o.d -o lib/Support/CMakeFiles/LLVMSupport.dir/Path.cpp.o -c /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/lib/Support/Path.cpp
In file included from /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/lib/Support/Path.cpp:1199:
/home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/lib/Support/Unix/Path.inc:772:19: error: no member named 'native_handle' in 'llvm::sys::fs::file_t'
772 |   return status(F.native_handle(), Result);
|                 ~ ^
/home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/lib/Support/Unix/Path.inc:868:51: error: no member named 'native_handle' in 'llvm::sys::fs::file_t'
868 |   Mapping = ::mmap(nullptr, Size, prot, flags, FD.native_handle(), Offset);
|                                                ~~ ^
/home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/lib/Support/Unix/Path.inc:1208:44: error: no member named 'native_handle' in 'llvm::sys::fs::file_t'
1208 |       sys::RetryAfterSignal(-1, ::read, FD.native_handle(), Buf.data(), Size);
|                                         ~~ ^
/home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/lib/Support/Unix/Path.inc:1231:59: error: no member named 'native_handle' in 'llvm::sys::fs::file_t'
1231 |   ssize_t NumRead = sys::RetryAfterSignal(-1, ::pread, FD.native_handle(),
|                                                        ~~ ^
/home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/lib/Support/Unix/Path.inc:1306:50: error: no member named 'native_handle' in 'llvm::sys::fs::file_t'
1306 |   return Process::SafelyCloseFileDescriptor(TmpF.native_handle());
|                                             ~~~~ ^
5 errors generated.
```
</details>
<details>
<summary>lib/CAS/CMakeFiles/LLVMCAS.dir/MappedFileRegionArena.cpp.o</summary>

```
FAILED: lib/CAS/CMakeFiles/LLVMCAS.dir/MappedFileRegionArena.cpp.o
sccache /opt/llvm/bin/clang++ -DGTEST_HAS_RTTI=0 -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GLIBCXX_USE_CXX11_ABI=1 -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/gha/actions-runner/_work/llvm-project/llvm-project/build/lib/CAS -I/home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/lib/CAS -I/home/gha/actions-runner/_work/llvm-project/llvm-project/build/include -I/home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/include -gmlt -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -pedantic -Wno-long-long -Wc++98-compat-extra-semi -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wno-pass-failed -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -O3 -DNDEBUG -std=c++17  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -MD -MT lib/CAS/CMakeFiles/LLVMCAS.dir/MappedFileRegionArena.cpp.o -MF lib/CAS/CMakeFiles/LLVMCAS.dir/MappedFileRegionArena.cpp.o.d -o lib/CAS/CMakeFiles/LLVMCAS.dir/MappedFileRegionArena.cpp.o -c /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/lib/CAS/MappedFileRegionArena.cpp
/home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/lib/CAS/MappedFileRegionArena.cpp:376:30: error: no member named 'native_handle' in 'llvm::sys::fs::file_t'
376 |   int StatRet = ::fstat(File.native_handle(), &Status);
|                         ~~~~ ^
1 error generated.
```
</details>

If these failures are unrelated to your changes (for example tests are broken or flaky at HEAD), please open an issue at https://github.com/llvm/llvm-project/issues and add the `infrastructure` label.

https://github.com/llvm/llvm-project/pull/160588