[clang] [ARM][Driver] Ensure NEON is enabled and disabled correctly (PR #137595)

[Jack Styles via cfe-commits]

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@@ -781,6 +781,30 @@ llvm::ARM::FPUKind arm::getARMTargetFeatures(const Driver &D,
   if (FPUKind == llvm::ARM::FK_FPV5_D16 || FPUKind == llvm::ARM::FK_FPV5_SP_D16)
     Features.push_back("-mve.fp");
 
+  // If SIMD has been disabled and the selected FPU support NEON, then features
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Stylie777 wrote:

done

https://github.com/llvm/llvm-project/pull/137595