[lld] [ELF] Respect orders of symbol assignments and DEFINED (PR #65866)

[Peter Smith via llvm-commits]

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@@ -86,9 +86,10 @@ struct SectionCommand {
 
 // This represents ". = <expr>" or "<symbol> = <expr>".
 struct SymbolAssignment : SectionCommand {
-  SymbolAssignment(StringRef name, Expr e, std::string loc)
+  SymbolAssignment(StringRef name, Expr e, std::string loc,
+                   unsigned symOrder = 0)
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smithp35 wrote:

There are only a couple more calls to the constructor in the same file. Would it be better to make the index explicit at the call site?

Not a strong opinion, and happy for it to be left as is.

https://github.com/llvm/llvm-project/pull/65866