[llvm] [XCOFF] make related SD symbols as isFunction (PR #69553)

[Chen Zheng via llvm-commits]

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@@ -83,8 +83,24 @@ class SymbolizableObjectFile : public SymbolizableModule {
     // getNameFromSymbolTable.
     uint32_t ELFLocalSymIdx;
 
+    // None if this is not a XCOFF local symbol.
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chenzheng1030 wrote:

Done

https://github.com/llvm/llvm-project/pull/69553