[clang] [AArch64][PAC][clang][ELF] Support PAuth ABI compatibility tag (PR #85235)

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github-actions[bot] wrote:

<!--LLVM CODE FORMAT COMMENT: {clang-format}-->


:warning: C/C++ code formatter, clang-format found issues in your code. :warning:

<details>
<summary>
You can test this locally with the following command:
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``````````bash
git-clang-format --diff 4a21e3afa29521192ce686605eb945495455ca5e 435c7eae0148f950a56c017fab408a69bedd84af -- clang/test/CodeGen/aarch64-elf-pauthabi.c clang/test/Driver/ptrauth.c clang/test/Preprocessor/ptrauth.c clang/include/clang/Basic/LangOptions.h clang/lib/CodeGen/CodeGenModule.cpp clang/lib/Driver/ToolChains/Clang.cpp clang/lib/Frontend/CompilerInvocation.cpp
``````````

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<details>
<summary>
View the diff from clang-format here.
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``````````diff
diff --git a/clang/lib/Driver/ToolChains/Clang.cpp b/clang/lib/Driver/ToolChains/Clang.cpp
index 800973fa33..dd8bdfe07b 100644
--- a/clang/lib/Driver/ToolChains/Clang.cpp
+++ b/clang/lib/Driver/ToolChains/Clang.cpp
@@ -7186,8 +7186,8 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
                    options::OPT_fno_ptrauth_intrinsics, false))
     CmdArgs.push_back("-fptrauth-intrinsics");
 
-  if (Args.hasFlag(options::OPT_fptrauth_calls,
-                   options::OPT_fno_ptrauth_calls, false))
+  if (Args.hasFlag(options::OPT_fptrauth_calls, options::OPT_fno_ptrauth_calls,
+                   false))
     CmdArgs.push_back("-fptrauth-calls");
 
   if (Args.hasFlag(options::OPT_fptrauth_returns,
@@ -7210,8 +7210,7 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
     CmdArgs.push_back("-fptrauth-vtable-pointer-type-discrimination");
 
   if (Args.hasFlag(options::OPT_fptrauth_init_fini,
-                   options::OPT_fno_ptrauth_init_fini,
-                   false))
+                   options::OPT_fno_ptrauth_init_fini, false))
     CmdArgs.push_back("-fptrauth-init-fini");
 
   // -fsigned-bitfields is default, and clang doesn't yet support

``````````

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https://github.com/llvm/llvm-project/pull/85235