[clang] [compiler-rt] [llvm] [AIX] Implement the ifunc attribute. (PR #153049)

[Sean Fertile via cfe-commits]

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@@ -2865,8 +2882,9 @@ void PPCAIXAsmPrinter::emitFunctionDescriptor() {
       static_cast<MCSymbolXCOFF *>(CurrentFnDescSym)->getRepresentedCsect());
 
   // Emit aliasing label for function descriptor csect.
-  for (const GlobalAlias *Alias : GOAliasMap[&MF->getFunction()])
-    OutStreamer->emitLabel(getSymbol(Alias));
+  if (MF)
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mandlebug wrote:

Minor nit:
`// An Ifunc doesn't have a corresponding machine function. `

https://github.com/llvm/llvm-project/pull/153049