Typos

compiler/coreSyn/CoreSyn.lhs

@@ -388,13 +388,13 @@ is fine, and has type Bool.  This is one reason we need a type on
 the case expression: if the alternatives are empty we can't get the type
 from the alternatives!  I'll write this
    case (error Int "Hello") of Bool {}
-with the return type just before the alterantives.
+with the return type just before the alternatives.
 
 Here's another example:
   data T
   f :: T -> Bool
   f = \(x:t). case x of Bool {}
-Since T has no data constructors, the case alterantives are of course
+Since T has no data constructors, the case alternatives are of course
 empty.  However note that 'x' is not bound to a visbily-bottom value;
 it's the *type* that tells us it's going to diverge.  Its a bit of a
 degnerate situation but we do NOT want to replace

compiler/coreSyn/CoreUtils.lhs

@@ -695,7 +695,7 @@ Should we inline 'v' at its use site inside the loop?  At the moment
 we do.  I experimented with saying that case are *not* work-free, but
 that increased allocation slightly.  It's a fairly small effect, and at
 the moment we go for the slightly more aggressive version which treats
-(case x of ....) as work-free if the alterantives are.
+(case x of ....) as work-free if the alternatives are.
 
 
 Note [exprIsCheap]   See also Note [Interaction of exprIsCheap and lone variables]
@@ -984,7 +984,7 @@ app_ok primop_ok fun args
 
 -----------------------------
 altsAreExhaustive :: [Alt b] -> Bool
--- True  <=> the case alterantives are definiely exhaustive
+-- True  <=> the case alternatives are definiely exhaustive
 -- False <=> they may or may not be
 altsAreExhaustive []
   = False    -- Should not happen

compiler/rename/RnBinds.lhs

@@ -828,7 +828,7 @@ rnMatch' ctxt rnBody match@(Match pats maybe_rhs_sig grhss)
 	; return (Match pats' Nothing grhss', grhss_fvs) }}
 
 emptyCaseErr :: HsMatchContext Name -> SDoc
-emptyCaseErr ctxt = hang (ptext (sLit "Empty list of alterantives in") <+> pp_ctxt)
+emptyCaseErr ctxt = hang (ptext (sLit "Empty list of alternatives in") <+> pp_ctxt)
                        2 (ptext (sLit "Use EmptyCase to allow this"))
   where
     pp_ctxt = case ctxt of

compiler/rename/RnNames.lhs

@@ -206,8 +206,8 @@ rnImportDecl this_mod
            (warnRedundantSourceImport imp_mod_name)
     when (mod_safe && not (safeImportsOn dflags)) $
         addErrAt loc (ptext (sLit "safe import can't be used as Safe Haskell isn't on!")
-                  $+$ ptext (sLit $ "please enable Safe Haskell through either"
-                                 ++ "Safe, Trustwrothy or Unsafe"))
+                  $+$ ptext (sLit $ "please enable Safe Haskell through either "
+                                 ++ "Safe, Trustworthy or Unsafe"))
 
     let imp_mod    = mi_module iface
         warns      = mi_warns iface

compiler/simplCore/SimplUtils.lhs

@@ -1553,7 +1553,7 @@ prepareAlts scrut case_bndr' alts
                     _     -> []
 \end{code}
 
-Note [Combine identical alterantives]
+Note [Combine identical alternatives]
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  If several alternatives are identical, merge them into
  a single DEFAULT alternative.  I've occasionally seen this
@@ -1598,7 +1598,7 @@ defeats combineIdenticalAlts (see Trac #7360).
 
 \begin{code}
 combineIdenticalAlts :: OutId -> [InAlt] -> SimplM [InAlt]
--- See Note [Combine identical alterantives]
+-- See Note [Combine identical alternatives]
 combineIdenticalAlts case_bndr ((_con1,bndrs1,rhs1) : con_alts)
   | all isDeadBinder bndrs1                     -- Remember the default
   , length filtered_alts < length con_alts      -- alternative comes first

compiler/stranal/DmdAnal.lhs

@@ -831,7 +831,7 @@ Notice that j' is not a let-no-escape any more.
 
 However this means in turn that the *enclosing* function
 may be CPR'd (via the returned Justs).  But in the case of
-sums, there may be Nothing alterantives; and that messes
+sums, there may be Nothing alternatives; and that messes
 up the sum-type CPR.
 
 Conclusion: only do this for products.  It's still not