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

[Chen Zheng via llvm-commits]

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@@ -787,6 +794,14 @@ class XCOFFSymbolRef {
 
   uint64_t getValue64() const { return Entry64->Value; }
 
+  const XCOFFObjectFile *getObject() const {
+    return cast<XCOFFObjectFile>(BasicSymbolRef::getObject());
+  }
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chenzheng1030 wrote:

Done. Since for now, there is only one user for this function, I inlined this function to its caller.

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