| O | GHC.Internal.Base | 
| objectName | GHC.Internal.ExecutionStack.Internal, GHC.Internal.ExecutionStack | 
| OccName |  | 
| 1 (Type/Class) | GHC.Internal.TH.Syntax | 
| 2 (Data Constructor) | GHC.Internal.TH.Syntax | 
| occString | GHC.Internal.TH.Syntax | 
| odd | GHC.Internal.Real | 
| offsetInBytes |  | 
| 1 (Function) | GHC.Internal.Stack.ConstantsProf | 
| 2 (Function) | GHC.Internal.Stack.Constants | 
| offsetInWords |  | 
| 1 (Function) | GHC.Internal.Stack.ConstantsProf | 
| 2 (Function) | GHC.Internal.Stack.Constants | 
| offsetStgAnnFrameAnn |  | 
| 1 (Function) | GHC.Internal.Stack.ConstantsProf | 
| 2 (Function) | GHC.Internal.Stack.Constants | 
| offsetStgAtomicallyFrameCode |  | 
| 1 (Function) | GHC.Internal.Stack.ConstantsProf | 
| 2 (Function) | GHC.Internal.Stack.Constants | 
| offsetStgAtomicallyFrameResult |  | 
| 1 (Function) | GHC.Internal.Stack.ConstantsProf | 
| 2 (Function) | GHC.Internal.Stack.Constants | 
| offsetStgBCOFrameArity |  | 
| 1 (Function) | GHC.Internal.Stack.ConstantsProf | 
| 2 (Function) | GHC.Internal.Stack.Constants | 
| offsetStgBCOFrameInstrs |  | 
| 1 (Function) | GHC.Internal.Stack.ConstantsProf | 
| 2 (Function) | GHC.Internal.Stack.Constants | 
| offsetStgBCOFrameLiterals |  | 
| 1 (Function) | GHC.Internal.Stack.ConstantsProf | 
| 2 (Function) | GHC.Internal.Stack.Constants | 
| offsetStgBCOFramePtrs |  | 
| 1 (Function) | GHC.Internal.Stack.ConstantsProf | 
| 2 (Function) | GHC.Internal.Stack.Constants | 
| offsetStgBCOFrameSize |  | 
| 1 (Function) | GHC.Internal.Stack.ConstantsProf | 
| 2 (Function) | GHC.Internal.Stack.Constants | 
| offsetStgCatchFrameHandler |  | 
| 1 (Function) | GHC.Internal.Stack.ConstantsProf | 
| 2 (Function) | GHC.Internal.Stack.Constants | 
| offsetStgCatchRetryFrameAltCode |  | 
| 1 (Function) | GHC.Internal.Stack.ConstantsProf | 
| 2 (Function) | GHC.Internal.Stack.Constants | 
| offsetStgCatchRetryFrameRunningAltCode |  | 
| 1 (Function) | GHC.Internal.Stack.ConstantsProf | 
| 2 (Function) | GHC.Internal.Stack.Constants | 
| offsetStgCatchRetryFrameRunningFirstCode |  | 
| 1 (Function) | GHC.Internal.Stack.ConstantsProf | 
| 2 (Function) | GHC.Internal.Stack.Constants | 
| offsetStgCatchSTMFrameCode |  | 
| 1 (Function) | GHC.Internal.Stack.ConstantsProf | 
| 2 (Function) | GHC.Internal.Stack.Constants | 
| offsetStgCatchSTMFrameHandler |  | 
| 1 (Function) | GHC.Internal.Stack.ConstantsProf | 
| 2 (Function) | GHC.Internal.Stack.Constants | 
| offsetStgClosurePayload |  | 
| 1 (Function) | GHC.Internal.Stack.ConstantsProf | 
| 2 (Function) | GHC.Internal.Stack.Constants | 
| offsetStgRetFunFrameFun |  | 
| 1 (Function) | GHC.Internal.Stack.ConstantsProf | 
| 2 (Function) | GHC.Internal.Stack.Constants | 
| offsetStgRetFunFramePayload |  | 
| 1 (Function) | GHC.Internal.Stack.ConstantsProf | 
| 2 (Function) | GHC.Internal.Stack.Constants | 
| offsetStgRetFunFrameSize |  | 
| 1 (Function) | GHC.Internal.Stack.ConstantsProf | 
| 2 (Function) | GHC.Internal.Stack.Constants | 
| offsetStgUpdateFrameUpdatee |  | 
| 1 (Function) | GHC.Internal.Stack.ConstantsProf | 
| 2 (Function) | GHC.Internal.Stack.Constants | 
| okSymChar | GHC.Internal.Lexeme | 
| oldGenFactor | GHC.Internal.RTS.Flags | 
| on | GHC.Internal.Data.Function | 
| One | GHC.Internal.Types, GHC.Internal.Base, GHC.Internal.Exts | 
| oneBits | GHC.Internal.Data.Bits | 
| OneLineGCStats | GHC.Internal.RTS.Flags | 
| oneName | GHC.Internal.TH.Syntax | 
| OneShot | GHC.Internal.Event | 
| oneShot | GHC.Internal.Magic, GHC.Internal.Base, GHC.Internal.Exts | 
| onException |  | 
| 1 (Function) | GHC.Internal.IO | 
| 2 (Function) | GHC.Internal.Control.Exception.Base, GHC.Internal.Control.Exception | 
| Opaque | GHC.Internal.Base | 
| OpaqueP | GHC.Internal.TH.Syntax | 
| openBinaryFile |  | 
| 1 (Function) | GHC.Internal.IO.Handle.FD | 
| 2 (Function) | GHC.Internal.IO.StdHandles, GHC.Internal.System.IO | 
| openBinaryTempFile | GHC.Internal.System.IO | 
| openBinaryTempFileWithDefaultPermissions | GHC.Internal.System.IO | 
| openFile |  | 
| 1 (Function) | GHC.Internal.IO.FD | 
| 2 (Function) | GHC.Internal.IO.Handle.FD | 
| 3 (Function) | GHC.Internal.IO.StdHandles, GHC.Internal.System.IO | 
| openFileBlocking |  | 
| 1 (Function) | GHC.Internal.IO.Handle.FD | 
| 2 (Function) | GHC.Internal.IO.StdHandles | 
| openFileWith | GHC.Internal.IO.FD | 
| OpenPunctuation | GHC.Internal.Unicode | 
| openTempFile | GHC.Internal.System.IO | 
| openTempFileWithDefaultPermissions | GHC.Internal.System.IO | 
| openTextEncoding | GHC.Internal.IO.Handle.Internals | 
| OpenTypeFamilyD | GHC.Internal.TH.Syntax | 
| openTypeFamilyD | GHC.Internal.TH.Lib | 
| option | GHC.Internal.Text.ParserCombinators.ReadP | 
| optional | GHC.Internal.Text.ParserCombinators.ReadP | 
| or |  | 
| 1 (Function) | GHC.Internal.List, GHC.Internal.Data.OldList | 
| 2 (Function) | GHC.Internal.Data.Foldable, GHC.Internal.Data.List | 
| or# |  | 
| 1 (Function) | GHC.Internal.Prim, GHC.Internal.Base, GHC.Internal.Exts | 
| 2 (Function) | GHC.Internal.PrimopWrappers | 
| or64# |  | 
| 1 (Function) | GHC.Internal.Prim, GHC.Internal.Base, GHC.Internal.Exts | 
| 2 (Function) | GHC.Internal.PrimopWrappers | 
| Ord | GHC.Internal.Classes, GHC.Internal.Base, GHC.Internal.Data.Ord | 
| ord | GHC.Internal.Base | 
| ord# |  | 
| 1 (Function) | GHC.Internal.Prim, GHC.Internal.Base, GHC.Internal.Exts | 
| 2 (Function) | GHC.Internal.PrimopWrappers | 
| OrdCond | GHC.Internal.Data.Type.Ord | 
| Ordering | GHC.Internal.Types, GHC.Internal.Base, GHC.Internal.Data.Ord, GHC.Internal.Exts | 
| OrderingI | GHC.Internal.Data.Type.Ord, GHC.Internal.TypeLits | 
| orDoubleX2# | GHC.Internal.Prim, GHC.Internal.Base, GHC.Internal.Exts | 
| orDoubleX4# | GHC.Internal.Prim, GHC.Internal.Base, GHC.Internal.Exts | 
| orDoubleX8# | GHC.Internal.Prim, GHC.Internal.Base, GHC.Internal.Exts | 
| orElse | GHC.Internal.Conc.Sync | 
| orFloatX16# | GHC.Internal.Prim, GHC.Internal.Base, GHC.Internal.Exts | 
| orFloatX4# | GHC.Internal.Prim, GHC.Internal.Base, GHC.Internal.Exts | 
| orFloatX8# | GHC.Internal.Prim, GHC.Internal.Base, GHC.Internal.Exts | 
| orI# |  | 
| 1 (Function) | GHC.Internal.Prim, GHC.Internal.Base, GHC.Internal.Exts | 
| 2 (Function) | GHC.Internal.PrimopWrappers | 
| orInt16X16# | GHC.Internal.Prim, GHC.Internal.Base, GHC.Internal.Exts | 
| orInt16X32# | GHC.Internal.Prim, GHC.Internal.Base, GHC.Internal.Exts | 
| orInt16X8# | GHC.Internal.Prim, GHC.Internal.Base, GHC.Internal.Exts | 
| orInt32X16# | GHC.Internal.Prim, GHC.Internal.Base, GHC.Internal.Exts | 
| orInt32X4# | GHC.Internal.Prim, GHC.Internal.Base, GHC.Internal.Exts | 
| orInt32X8# | GHC.Internal.Prim, GHC.Internal.Base, GHC.Internal.Exts | 
| orInt64X2# | GHC.Internal.Prim, GHC.Internal.Base, GHC.Internal.Exts | 
| orInt64X4# | GHC.Internal.Prim, GHC.Internal.Base, GHC.Internal.Exts | 
| orInt64X8# | GHC.Internal.Prim, GHC.Internal.Base, GHC.Internal.Exts | 
| orInt8X16# | GHC.Internal.Prim, GHC.Internal.Base, GHC.Internal.Exts | 
| orInt8X32# | GHC.Internal.Prim, GHC.Internal.Base, GHC.Internal.Exts | 
| orInt8X64# | GHC.Internal.Prim, GHC.Internal.Base, GHC.Internal.Exts | 
| orInteger | GHC.Internal.Integer | 
| orNatural | GHC.Internal.Natural | 
| OrP | GHC.Internal.TH.Syntax | 
| orP | GHC.Internal.TH.Lib | 
| OrPatterns | GHC.Internal.LanguageExtensions, GHC.Internal.TH.Syntax | 
| orWord16# |  | 
| 1 (Function) | GHC.Internal.Prim, GHC.Internal.Base, GHC.Internal.Exts | 
| 2 (Function) | GHC.Internal.PrimopWrappers | 
| orWord16X16# | GHC.Internal.Prim, GHC.Internal.Base, GHC.Internal.Exts | 
| orWord16X32# | GHC.Internal.Prim, GHC.Internal.Base, GHC.Internal.Exts | 
| orWord16X8# | GHC.Internal.Prim, GHC.Internal.Base, GHC.Internal.Exts | 
| orWord32# |  | 
| 1 (Function) | GHC.Internal.Prim, GHC.Internal.Base, GHC.Internal.Exts | 
| 2 (Function) | GHC.Internal.PrimopWrappers | 
| orWord32X16# | GHC.Internal.Prim, GHC.Internal.Base, GHC.Internal.Exts | 
| orWord32X4# | GHC.Internal.Prim, GHC.Internal.Base, GHC.Internal.Exts | 
| orWord32X8# | GHC.Internal.Prim, GHC.Internal.Base, GHC.Internal.Exts | 
| orWord64X2# | GHC.Internal.Prim, GHC.Internal.Base, GHC.Internal.Exts | 
| orWord64X4# | GHC.Internal.Prim, GHC.Internal.Base, GHC.Internal.Exts | 
| orWord64X8# | GHC.Internal.Prim, GHC.Internal.Base, GHC.Internal.Exts | 
| orWord8# |  | 
| 1 (Function) | GHC.Internal.Prim, GHC.Internal.Base, GHC.Internal.Exts | 
| 2 (Function) | GHC.Internal.PrimopWrappers | 
| orWord8X16# | GHC.Internal.Prim, GHC.Internal.Base, GHC.Internal.Exts | 
| orWord8X32# | GHC.Internal.Prim, GHC.Internal.Base, GHC.Internal.Exts | 
| orWord8X64# | GHC.Internal.Prim, GHC.Internal.Base, GHC.Internal.Exts | 
| OtherClosure | GHC.Internal.Heap.Closures | 
| OtherError | GHC.Internal.IO.Exception | 
| OtherLetter | GHC.Internal.Unicode | 
| OtherNumber | GHC.Internal.Unicode | 
| OtherPunctuation | GHC.Internal.Unicode | 
| OtherSymbol | GHC.Internal.Unicode | 
| otherwise | GHC.Internal.Base, GHC.Internal.Data.Bool | 
| outer | GHC.Internal.Data.Type.Equality | 
| outputNL | GHC.Internal.IO.Handle.Types, GHC.Internal.IO.Handle, GHC.Internal.System.IO | 
| OutputUnderflow | GHC.Internal.IO.Encoding.Types, GHC.Internal.IO.Encoding | 
| Overflow | GHC.Internal.Exception.Type, GHC.Internal.Exception, GHC.Internal.Control.Exception.Base, GHC.Internal.Control.Exception | 
| overflowError | GHC.Internal.Real | 
| overflowException | GHC.Internal.Exception.Type, GHC.Internal.Exception | 
| Overlap | GHC.Internal.TH.Syntax | 
| Overlappable | GHC.Internal.TH.Syntax | 
| Overlapping | GHC.Internal.TH.Syntax | 
| OverlappingInstances | GHC.Internal.LanguageExtensions, GHC.Internal.TH.Syntax | 
| Overlaps | GHC.Internal.TH.Syntax | 
| OverloadedLabels | GHC.Internal.LanguageExtensions, GHC.Internal.TH.Syntax | 
| OverloadedLists | GHC.Internal.LanguageExtensions, GHC.Internal.TH.Syntax | 
| OverloadedRecordDot | GHC.Internal.LanguageExtensions, GHC.Internal.TH.Syntax | 
| OverloadedRecordUpdate | GHC.Internal.LanguageExtensions, GHC.Internal.TH.Syntax | 
| OverloadedStrings | GHC.Internal.LanguageExtensions, GHC.Internal.TH.Syntax | 
| owner | GHC.Internal.Heap.Closures | 
| o_APPEND | GHC.Internal.System.Posix.Internals | 
| o_BINARY | GHC.Internal.System.Posix.Internals | 
| o_CREAT | GHC.Internal.System.Posix.Internals | 
| o_EXCL | GHC.Internal.System.Posix.Internals | 
| o_NOCTTY | GHC.Internal.System.Posix.Internals | 
| o_NONBLOCK | GHC.Internal.System.Posix.Internals | 
| o_RDONLY | GHC.Internal.System.Posix.Internals | 
| o_RDWR | GHC.Internal.System.Posix.Internals | 
| o_TRUNC | GHC.Internal.System.Posix.Internals | 
| o_WRONLY | GHC.Internal.System.Posix.Internals |