[commit: ghc] master: Typos in comments (8f81af9)

[git at git.haskell.org]

Repository : ssh://git@git.haskell.org/ghc

On branch  : master
Link       : http://ghc.haskell.org/trac/ghc/changeset/8f81af9a133d443720f597ba81ac5a2c5fcc2c3d/ghc

>---------------------------------------------------------------

commit 8f81af9a133d443720f597ba81ac5a2c5fcc2c3d
Author: Gabor Greif <ggreif at gmail.com>
Date:   Fri Jul 31 00:37:34 2015 +0200

    Typos in comments


>---------------------------------------------------------------

8f81af9a133d443720f597ba81ac5a2c5fcc2c3d
 compiler/basicTypes/Id.hs          | 2 +-
 compiler/coreSyn/TrieMap.hs        | 2 +-
 compiler/typecheck/TcInteract.hs   | 2 +-
 compiler/typecheck/TcTyClsDecls.hs | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/compiler/basicTypes/Id.hs b/compiler/basicTypes/Id.hs
index cebf6d0..968b541 100644
--- a/compiler/basicTypes/Id.hs
+++ b/compiler/basicTypes/Id.hs
@@ -204,7 +204,7 @@ setIdInfo id info = info `seq` (lazySetIdInfo id info)
 modifyIdInfo :: (IdInfo -> IdInfo) -> Id -> Id
 modifyIdInfo fn id = setIdInfo id (fn (idInfo id))
 
--- maybeModifyIdInfo tries to avoid unnecesary thrashing
+-- maybeModifyIdInfo tries to avoid unnecessary thrashing
 maybeModifyIdInfo :: Maybe IdInfo -> Id -> Id
 maybeModifyIdInfo (Just new_info) id = lazySetIdInfo id new_info
 maybeModifyIdInfo Nothing         id = id
diff --git a/compiler/coreSyn/TrieMap.hs b/compiler/coreSyn/TrieMap.hs
index dad00e1..b437db9 100644
--- a/compiler/coreSyn/TrieMap.hs
+++ b/compiler/coreSyn/TrieMap.hs
@@ -377,7 +377,7 @@ Note [Empty case alternatives]
   which is utterly wrong (Trac #6097)
 
 We could compare the return type regardless, but the wildly common case
-is that it's unnecesary, so we have two fields (cm_case and cm_ecase)
+is that it's unnecessary, so we have two fields (cm_case and cm_ecase)
 for the two possibilities.  Only cm_ecase looks at the type.
 
 See also Note [Empty case alternatives] in CoreSyn.
diff --git a/compiler/typecheck/TcInteract.hs b/compiler/typecheck/TcInteract.hs
index 6be3a2c..0684fdf 100644
--- a/compiler/typecheck/TcInteract.hs
+++ b/compiler/typecheck/TcInteract.hs
@@ -605,7 +605,7 @@ we keep?  More subtle than you might think!
             the Ord dictionary.
 
   * Finally, when there is still a choice, use IRKeep rather than
-    IRReplace, to avoid unnecesary munging of the inert set.
+    IRReplace, to avoid unnecessary munging of the inert set.
 
 Doing the depth-check for implicit parameters, rather than making the work item
 always overrride, is important.  Consider
diff --git a/compiler/typecheck/TcTyClsDecls.hs b/compiler/typecheck/TcTyClsDecls.hs
index b7a959e..2c18d5e 100644
--- a/compiler/typecheck/TcTyClsDecls.hs
+++ b/compiler/typecheck/TcTyClsDecls.hs
@@ -578,7 +578,7 @@ Then:
     the *global* env to get the TyCon. But we must be careful not to
     force the TyCon or we'll get a loop.
 
-This fancy footwork (with two bindings for T) is only necesary for the
+This fancy footwork (with two bindings for T) is only necessary for the
 TyCons or Classes of this recursive group.  Earlier, finished groups,
 live in the global env only.