nickdesaulniers added inline comments.

================
Comment at: clang/lib/Frontend/CompilerInvocation.cpp:768
   Opts.DebugFwdTemplateParams = Args.hasArg(OPT_debug_forward_template_params);
+  Opts.DebugUnusedTypes = Args.hasArg(OPT_eliminate_unused_debug_types_fno);
   Opts.EmbedSource = Args.hasArg(OPT_gembed_source);
----------------
dblaikie wrote:
> Could this be rolled into the debug-info-kind? (a kind beyond "standalone")
That sounds like a good idea.  Looking at the definition of `DebugInfoKind` 
(llvm/llvm-project/clang/include/clang/Basic/DebugInfoOptions.h), it seems that 
`DebugInfoKind` is an `enum` that defines a "level" of debug info to emit? 
Looking at the guard in `CGDebugInfo::EmitExplicitCastType` 
(llvm/llvm-project/clang/lib/CodeGen/CGDebugInfo.cpp), it calls 
`CodeGenOptions::hasReducedDebugInfo()` which does a comparison against a 
certain level.  That seems to indicate the order of the enumerations is 
important.  Do you have a suggestion what order I should add the new enum?

I'm guessing after `LimitedDebugInfo` or `DebugInfoConstructor`, but before 
`FullDebugInfo`? (I find the name of the method `hasReducedDebugInfo` confusing 
in that regard).


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D80242/new/

https://reviews.llvm.org/D80242



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