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

[via llvm-commits]

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@@ -853,6 +853,8 @@ class xcoff_symbol_iterator : public symbol_iterator {
   xcoff_symbol_iterator(const basic_symbol_iterator &B)
       : symbol_iterator(B) {}
 
+  xcoff_symbol_iterator(const SymbolRef *Symbol) : symbol_iterator(*Symbol) {}
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diggerlin wrote:

`xcoff_symbol_iterator(const SymbolRef *Symbol) : symbol_iterator(*Symbol) {}`

change to 

`xcoff_symbol_iterator(const XCOFFSymbolRef *Symbol) : symbol_iterator(*Symbol) {}`

otherwise a pointer of  ELFSymbolRef can also be used to  initiate the xcoff_symbol_iterator.




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