[clang] [flang] [flang][Driver] Enables lto-partitions and fat-lto-object. (PR #158125)

[Tarun Prabhu via cfe-commits]

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@@ -3171,10 +3171,11 @@ def fthin_link_bitcode_EQ : Joined<["-"], "fthin-link-bitcode=">,
   MarshallingInfoString<CodeGenOpts<"ThinLinkBitcodeFile">>;
 defm fat_lto_objects : BoolFOption<"fat-lto-objects",
   CodeGenOpts<"FatLTO">, DefaultFalse,
-  PosFlag<SetTrue, [], [ClangOption, CC1Option], "Enable">,
-  NegFlag<SetFalse, [], [ClangOption, CC1Option], "Disable">,
+  PosFlag<SetTrue, [], [ClangOption, CC1Option, FlangOption, FC1Option], "Enable">,
+  NegFlag<SetFalse, [], [ClangOption, CC1Option, FlangOption, FC1Option], "Disable">,
   BothFlags<[], [ClangOption, CC1Option], " fat LTO object support">>;
 def flto_partitions_EQ : Joined<["-"], "flto-partitions=">, Group<f_Group>,
+  Visibility<[ClangOption, FlangOption]>,
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tarunprabhu wrote:

I think the default visibility includes `DXCOption` and `CLOption` as well.

https://github.com/llvm/llvm-project/pull/158125