[lld] [LLD][COFF] Support anti-dependency symbols (PR #112542)

[Martin Storsjö via llvm-commits]

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@@ -737,7 +737,7 @@ StringRef LinkerDriver::mangleMaybe(Symbol *s) {
   // If we find a similar mangled symbol, make this an alias to it and return
   // its name.
   log(unmangled->getName() + " aliased to " + mangled->getName());
-  unmangled->weakAlias = ctx.symtab.addUndefined(mangled->getName());
+  unmangled->setWeakAlias(ctx.symtab.addUndefined(mangled->getName()));
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mstorsjo wrote:

I'm not sure if that's really necessary - I was just checking I understood the situation correctly :-) 

https://github.com/llvm/llvm-project/pull/112542