[lld] [LLD] Add CLASS syntax to SECTIONS (PR #95323)

[Fangrui Song via llvm-commits]

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@@ -78,7 +80,8 @@ enum SectionsCommandKind {
   AssignmentKind, // . = expr or <sym> = expr
   OutputSectionKind,
   InputSectionKind,
-  ByteKind    // BYTE(expr), SHORT(expr), LONG(expr) or QUAD(expr)
+  ByteKind, // BYTE(expr), SHORT(expr), LONG(expr) or QUAD(expr)
+  ClassKind,
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MaskRay wrote:

Add `// CLASS(class_name)`

https://github.com/llvm/llvm-project/pull/95323