[clang] [llvm] [clang] Integrate LLVMABI for function call ABI lowering (PR #194460)

[Nikita Popov via cfe-commits]

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@@ -6596,6 +6596,8 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
 
   Args.AddLastArg(CmdArgs, options::OPT_fexperimental_library);
 
+  Args.AddLastArg(CmdArgs, options::OPT_fexperimental_abi_lowering);
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nikic wrote:

Not entirely sure, but I think this is no longer needed now that it's only a cc1 option?

https://github.com/llvm/llvm-project/pull/194460