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

[Chen Zheng via llvm-commits]

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@@ -787,6 +794,11 @@ class XCOFFSymbolRef {
 
   uint64_t getValue64() const { return Entry64->Value; }
 
+  uint64_t getSize() const {
+    return cast<XCOFFObjectFile>(BasicSymbolRef::getObject())
+        ->getSymbolSize(getRawDataRefImpl());
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chenzheng1030 wrote:

You are right. XCOFFSymRef is not the same with ELFSymRef or GOFFSymbolRef which always has 0 DataRefImpl.

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