[clang] [libcxx] [llvm] Triple::normalize: Use none as OS for XX-none-ABI (PR #89638)

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``````````bash
git-clang-format --diff e04df693bf5b38099ef1d7ab8e6ce6a1469597e2 7471e4f6032b7913f9d983a3488f0c6f7e33c9b8 -- clang/test/Driver/arm-triple.c clang/test/Driver/baremetal-sysroot.cpp clang/test/Driver/baremetal.cpp clang/test/Driver/print-multi-selection-flags.c clang/unittests/Interpreter/IncrementalCompilerBuilderTest.cpp llvm/lib/TargetParser/Triple.cpp llvm/unittests/TargetParser/TripleTest.cpp
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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/lib/TargetParser/Triple.cpp b/llvm/lib/TargetParser/Triple.cpp
index b36aebc14c..4faf87c03b 100644
--- a/llvm/lib/TargetParser/Triple.cpp
+++ b/llvm/lib/TargetParser/Triple.cpp
@@ -1151,9 +1151,9 @@ std::string Triple::normalize(StringRef Str) {
     }
   }
 
-  // If "none" is in the middle component in a three-component triple, treat it as
-  // the OS (Components[2]) instead of the vendor (Components[1]).
-  // This is for some baremetal cases, such as "arm-none-elf".
+  // If "none" is in the middle component in a three-component triple, treat it
+  // as the OS (Components[2]) instead of the vendor (Components[1]). This is
+  // for some baremetal cases, such as "arm-none-elf".
   if (Found[0] && !Found[1] && !Found[2] && Found[3] &&
       Components[1].equals("none") && Components[2].empty())
     std::swap(Components[1], Components[2]);

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https://github.com/llvm/llvm-project/pull/89638