[clang] [PowerPC] Support local-dynamic TLS relocation on AIX (PR #66316)

[Amy Kwan via cfe-commits]

================
@@ -2710,6 +2758,15 @@ void PPCAIXAsmPrinter::emitEndOfAsmFile(Module &M) {
       MCSymbol *S = OutContext.getOrCreateSymbol(Name);
       TCEntry = cast<MCSectionXCOFF>(
           getObjFileLowering().getSectionForTOCEntry(S, TM));
+    } else if (I.first.second ==
+               MCSymbolRefExpr::VariantKind::VK_PPC_AIX_TLSML) {
+      // AIX assembler expects TC storage-mapping class for the "_$TLSML"
----------------
amy-kwan wrote:

```suggestion
      // AIX assembler expects the TC storage-mapping class for the "_$TLSML"
```

https://github.com/llvm/llvm-project/pull/66316