[llvm] [XCOFF][OBJECT] get symbol size by calling XCOFF interfaces (PR #67304)

[James Henderson via llvm-commits]

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@@ -59,6 +59,13 @@ llvm::object::computeSymbolSizes(const ObjectFile &O) {
     return Ret;
   }
 
+  if (const auto *E = dyn_cast<XCOFFObjectFile>(&O)) {
+    auto Syms = E->symbols();
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jh7370 wrote:

This local variable is unnecessary. Just put it directly into the for loop sequence.

https://github.com/llvm/llvm-project/pull/67304