[clang] [llvm] [AArch64] Decouple feature dependency expansion. (PR #94279)

[Alexandros Lamprineas via llvm-commits]

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@@ -579,6 +537,62 @@ inline constexpr CpuInfo CpuInfos[] = {
                                AArch64::AEK_SSBS, AArch64::AEK_CSSC})},
 };
 
+struct ExtensionSet {
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labrinea wrote:

This has to move after the definition of `ArchInfo` because the method `toLLVMFeatureList` needs to know about it. Since it is a template function its definitions ought to move in the header file, alongside its class definition.

https://github.com/llvm/llvm-project/pull/94279