[llvm] [BasicBlockSections] Apply path cloning with -basic-block-sections. (PR #68860)

[Matthias Braun via llvm-commits]

================
@@ -27,6 +27,13 @@ void sortBasicBlocksAndUpdateBranches(MachineFunction &MF,
 
 void avoidZeroOffsetLandingPad(MachineFunction &MF);
 
+// This checks if the source of this function has drifted since this binary was
----------------
MatzeB wrote:

Use `///` to expose comment to doxygen.

https://github.com/llvm/llvm-project/pull/68860