[clang] [llvm] [X86][Driver] Do not add `-evex512` for `-march=native` when the target doesn't support AVX512 (PR #91694)

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git-clang-format --diff db78ee0cb82669302a5e0f18a15fd53346a73823 
d50ae3b317839f5603b091aa029414b3c3c42259 -- llvm/lib/TargetParser/Host.cpp
``````````

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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/lib/TargetParser/Host.cpp b/llvm/lib/TargetParser/Host.cpp
index c5156c6cb8..ca053c8872 100644
--- a/llvm/lib/TargetParser/Host.cpp
+++ b/llvm/lib/TargetParser/Host.cpp
@@ -1803,7 +1803,7 @@ bool sys::getHostCPUFeatures(StringMap<bool> &Features) {
   // AVX512 is only supported if the OS supports the context save for it.
   Features["avx512f"]    = HasLeaf7 && ((EBX >> 16) & 1) && HasAVX512Save;
   if (Features["avx512f"])
-    Features["evex512"]  = true;
+    Features["evex512"] = true;
   Features["avx512dq"]   = HasLeaf7 && ((EBX >> 17) & 1) && HasAVX512Save;
   Features["rdseed"]     = HasLeaf7 && ((EBX >> 18) & 1);
   Features["adx"]        = HasLeaf7 && ((EBX >> 19) & 1);

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https://github.com/llvm/llvm-project/pull/91694
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