[llvm-branch-commits] [llvm] [llvm][EmbedBitcodePass] Prevent modifying the module with ThinLTO (PR #139999)

[Nikita Popov via llvm-branch-commits]

https://github.com/nikic approved this pull request.

Okay, let's go with this for now.

Compile-time impact of cloning the module is about 0.2% when building clang with fat LTO: https://llvm-compile-time-tracker.com/compare.php?from=11a01e851a06188ae946ace1140f866d7a667221&to=46e037d763e7997a83ce78c9a602248fd67f0d44&stat=instructions:u

https://github.com/llvm/llvm-project/pull/139999