/// Returns an owning pointer to an alias set which incorporates aliasing info
/// from L and all subloops of L.
-/// FIXME: In new pass manager, there is no helper functions to handle loop
-/// analysis such as cloneBasicBlockAnalysis. So the AST needs to be recompute
+/// FIXME: In new pass manager, there is no helper function to handle loop
+/// analysis such as cloneBasicBlockAnalysis, so the AST needs to be recomputed
/// from scratch for every loop. Hook up with the helper functions when
/// available in the new pass manager to avoid redundant computation.
AliasSetTracker *