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

[Amy Kwan via llvm-commits]

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@@ -6,6 +6,6 @@
 #endif
 
 static __thread int y __attribute((tls_model("global-dynamic"))); // no-warning
-static __thread int y __attribute((tls_model("local-dynamic"))); // expected-error {{TLS model 'local-dynamic' is not yet supported on AIX}}
+static __thread int y __attribute((tls_model("local-dynamic"))); // expected-no-diagnostics
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amy-kwan wrote:

Sorry, this may be a silly question. How is this line different from the other TLS models (no-warning)?

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