[clang] [flang] [flang] Implement -mcmodel flag (PR #95411)

[Andrzej Warzyński via cfe-commits]

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@@ -2823,3 +2823,84 @@ void tools::addOffloadCompressArgs(const llvm::opt::ArgList &TCArgs,
     CmdArgs.push_back(
         TCArgs.MakeArgString(Twine("-compression-level=") + Arg->getValue()));
 }
+
+void tools::addMCModel(const Driver &D, const llvm::opt::ArgList &Args,
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banach-space wrote:

Is this taken verbatim from Clang? Would you mind documenting that in the summary?

https://github.com/llvm/llvm-project/pull/95411