[clang] [flang] [flang] Support -mabi=vec-extabi and -mabi=vec-default on AIX (PR #113215)

[via cfe-commits]

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@@ -203,6 +203,33 @@ void Flang::AddAArch64TargetArgs(const ArgList &Args,
   }
 }
 
+void Flang::AddPPCTargetArgs(const ArgList &Args,
+                             ArgStringList &CmdArgs) const {
+  const Driver &D = getToolChain().getDriver();
+  bool VecExtabi = false;
+
+  if (const Arg *A = Args.getLastArg(options::OPT_mabi_EQ)) {
+    StringRef V = A->getValue();
+    if (V == "vec-extabi") {
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jeanPerier wrote:

nit: not braces on single statement if/else.

https://github.com/llvm/llvm-project/pull/113215