[clang] [llvm] [SystemZ][z/OS] __ptr32 support for z/OS (PR #101696)

[Zibi Sarbinowski via llvm-commits]

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@@ -3650,6 +3650,14 @@ void CompilerInvocationBase::GenerateLangArgs(const LangOptions &Opts,
       GenerateArg(Consumer, OPT_ftrigraphs);
   }
 
+  if (T.isOSzOS()) {
+    if (!Opts.ZOSExt)
+      GenerateArg(Consumer, OPT_fno_zos_extensions);
+  } else {
+    if (Opts.ZOSExt)
+      GenerateArg(Consumer, OPT_fzos_extensions);
+  }
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zibi2 wrote:

I think this can be simplified since zos-extensions are on by default on z/OS. 

https://github.com/llvm/llvm-project/pull/101696