[lld] [lld] Merge GOT entries for symbols (PR #131630)

[Pranav Kant via llvm-commits]

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@@ -138,6 +137,14 @@ class GotSection final : public SyntheticSection {
     bool isSymbolFunc;
   };
   SmallVector<AuthEntryInfo, 0> authEntries;
+
+  // Map of GOT entries keyed by section, offset, and type. The purpose is to
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pranavk wrote:

I think we would be okay if you add another member to the tuple named `size` (or just create a new struct) and populate that from `Symbol::getSize()` in `GotSection::addEntry()`. The original problem we are trying to solve (as mentioned in #129122) would still work.

https://github.com/llvm/llvm-project/pull/131630