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authorSylvain Henry <sylvain@haskus.fr>2023-03-27 13:00:49 +0200
committerMarge Bot <ben+marge-bot@smart-cactus.org>2023-03-30 01:40:49 -0400
commitf4f1f14f8009c3c120b8b963ec130cbbc774ec02 (patch)
treeca3a2abdc1b3f95ba7a7f2df07343a21c4ba5468
parentb159e0e94f8d049198947965046b6a5edbd89c36 (diff)
downloadhaskell-f4f1f14f8009c3c120b8b963ec130cbbc774ec02.tar.gz
ghc-heap: remove wrong Addr# coercion (#23181)
Conversion from Addr# to I# isn't correct with the JS backend. Also used the opportunity to reenable 64-bit Word/Int tests
-rw-r--r--libraries/ghc-heap/GHC/Exts/Heap.hs6
-rw-r--r--libraries/ghc-heap/GHC/Exts/Heap/Closures.hs2
-rw-r--r--libraries/ghc-heap/tests/heap_all.hs19
3 files changed, 13 insertions, 14 deletions
diff --git a/libraries/ghc-heap/GHC/Exts/Heap.hs b/libraries/ghc-heap/GHC/Exts/Heap.hs
index ac954bba8b..173eca29e4 100644
--- a/libraries/ghc-heap/GHC/Exts/Heap.hs
+++ b/libraries/ghc-heap/GHC/Exts/Heap.hs
@@ -112,15 +112,15 @@ instance Word# ~ a => HasHeapRep (a :: TYPE 'WordRep) where
instance Int64# ~ a => HasHeapRep (a :: TYPE 'Int64Rep) where
getClosureData x = return $
- Int64Closure { ptipe = PInt64, int64Val = I64# (unsafeCoerce# x) }
+ Int64Closure { ptipe = PInt64, int64Val = I64# x }
instance Word64# ~ a => HasHeapRep (a :: TYPE 'Word64Rep) where
getClosureData x = return $
- Word64Closure { ptipe = PWord64, word64Val = W64# (unsafeCoerce# x) }
+ Word64Closure { ptipe = PWord64, word64Val = W64# x }
instance Addr# ~ a => HasHeapRep (a :: TYPE 'AddrRep) where
getClosureData x = return $
- AddrClosure { ptipe = PAddr, addrVal = I# (unsafeCoerce# x) }
+ AddrClosure { ptipe = PAddr, addrVal = Ptr x }
instance Float# ~ a => HasHeapRep (a :: TYPE 'FloatRep) where
getClosureData x = return $
diff --git a/libraries/ghc-heap/GHC/Exts/Heap/Closures.hs b/libraries/ghc-heap/GHC/Exts/Heap/Closures.hs
index 6078a927bf..a65eb9cbed 100644
--- a/libraries/ghc-heap/GHC/Exts/Heap/Closures.hs
+++ b/libraries/ghc-heap/GHC/Exts/Heap/Closures.hs
@@ -329,7 +329,7 @@ data GenClosure b
-- | Primitive Addr
| AddrClosure
{ ptipe :: PrimType
- , addrVal :: !Int }
+ , addrVal :: !(Ptr ()) }
-- | Primitive Float
| FloatClosure
diff --git a/libraries/ghc-heap/tests/heap_all.hs b/libraries/ghc-heap/tests/heap_all.hs
index ac8953b5d2..8cc9afce95 100644
--- a/libraries/ghc-heap/tests/heap_all.hs
+++ b/libraries/ghc-heap/tests/heap_all.hs
@@ -12,6 +12,7 @@ import GHC.Int
import GHC.IO
import GHC.IORef
import GHC.MVar
+import GHC.Ptr
import GHC.Stack
import GHC.STRef
import GHC.Weak
@@ -176,7 +177,7 @@ exWord64Closure = Word64Closure
exAddrClosure :: Closure
exAddrClosure = AddrClosure
- { ptipe = PAddr, addrVal = 42 }
+ { ptipe = PAddr, addrVal = nullPtr `plusPtr` 42 }
exFloatClosure :: Closure
exFloatClosure = FloatClosure
@@ -316,19 +317,17 @@ main = do
assertClosuresEq exWordClosure
-- Primitive Int64
- -- FAILING: On 64-bit platforms, v is a regular Int
- -- let (I64# v) = 42
- -- getClosureData v >>=
- -- assertClosuresEq exInt64Closure
+ let (I64# v) = 42
+ getClosureData v >>=
+ assertClosuresEq exInt64Closure
-- Primitive Word64
- -- FAILING: On 64-bit platforms, v is a regular Word
- -- let (W64# v) = 42
- -- getClosureData v >>=
- -- assertClosuresEq exWord64Closure
+ let (W64# v) = 42
+ getClosureData v >>=
+ assertClosuresEq exWord64Closure
-- Primitive Addr
- let v = unsafeCoerce# 42# :: Addr#
+ let (Ptr v) = nullPtr `plusPtr` 42
getClosureData v >>=
assertClosuresEq exAddrClosure