[clang] [flang] [flang] Add -mlink-builtin-bitcode option to fc1 (PR #94763)

[Jan Leyonberg via cfe-commits]

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@@ -1146,6 +1150,54 @@ void CodeGenAction::embedOffloadObjects() {
   }
 }
 
+void CodeGenAction::linkBuiltinBCLibs() {
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jsjodin wrote:

It does come from clang but it is distributed across a few classes with a lot more options, so there was not simple way to simply re-use the code. I don't know if we want to bring in all that code since it would add a lot more complexity, and I don't know if we need this in the future or not.

https://github.com/llvm/llvm-project/pull/94763