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

[James Henderson via llvm-commits]

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@@ -1288,7 +1288,11 @@ Expected<bool> XCOFFSymbolRef::isFunction() const {
   if (CsectAuxRef.getSymbolType() == XCOFF::XTY_LD)
     return true;
 
-  return createError("csect symbol has no valid symbol type.");
+  return createError(
+      "Symbol csect aux entry with index " +
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jh7370 wrote:

This message doesn't conform to the LLVM coding standards. Please fix.

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