[clang] [flang] [llvm] [mlir] [LLVM-Flang] Add support for -fdebug-info-for-profiling option (PR #188022)

[Tarun Prabhu via cfe-commits]

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@@ -193,6 +193,11 @@ void Flang::addDebugOptions(const llvm::opt::ArgList &Args, const JobAction &JA,
       CmdArgs.push_back(SplitDWARFOut);
     }
   }
+  if (Args.hasFlag(options::OPT_fdebug_info_for_profiling,
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tarunprabhu wrote:

Instead of duplicating this code, could it be shared between `clang` and `flang`? There is precedent for moving code like this into `clang/lib/Driver/CommonArgs.cpp`

https://github.com/llvm/llvm-project/pull/188022