[clang] [clang][PowerPC] Add flag to enable compatibility with GNU for complex arguments (PR #77732)

[Nemanja Ivanovic via cfe-commits]

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@@ -486,7 +486,8 @@ std::unique_ptr<TargetCodeGenInfo>
 createAIXTargetCodeGenInfo(CodeGenModule &CGM, bool Is64Bit);
 
 std::unique_ptr<TargetCodeGenInfo>
-createPPC32TargetCodeGenInfo(CodeGenModule &CGM, bool SoftFloatABI);
+createPPC32TargetCodeGenInfo(CodeGenModule &CGM, bool SoftFloatABI,
+                             unsigned RLen);
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nemanjai wrote:

Please explain this change. It is not clear to me why we're adding this parameter. Are we adding support for 32-bit targets with 64-bit pointers? If so, please justify. Also, this is something that would belong in a separate patch.

https://github.com/llvm/llvm-project/pull/77732