Go package:ghc

Test whether a GeneralFlag is set Note that dynamicNow (i.e., dynamic objects built with `-dynamic-too`) always implicitly enables Opt_PIC, Opt_ExternalDynamicRefs, and disables Opt_SplitSections.
Unset a GeneralFlag
Combines several heuristics to decide whether to lambda-lift a given let-binding to top-level. See GHC.Stg.Lift.Analysis#when for details.
Test if a SrcSpan is "good", i.e. has precise location information
Unfolding control See Note [Discounts and thresholds] in GHC.Core.Unfold