#5362: ghc: panic! mkUsageInfo: internal name? constr_a2Py{v}
------------------------------------------------------------------+---------
Reporter: markwright |
Owner:
Type: bug |
Status: new
Priority: normal |
Component: Compiler
Version: 7.1 |
Keywords: panic mkUsageInfo
Testcase: http://hackage.haskell.org/package/syb-with-class |
Blockedby:
Os: Linux |
Blocking:
Architecture: x86_64 (amd64) |
Failure: Compile-time crash
------------------------------------------------------------------+---------
I apply this patch (also hopefully attached) to
http://hackage.haskell.org/package/syb-with-class
--- syb-with-class-0.6.1.1-orig/syb-with-class.cabal 2010-11-16
19:41:26.000000000 +1100
+++ syb-with-class-0.6.1.1/syb-with-class.cabal 2011-07-31
01:44:18.356801182 +1000
@@ -25,7 +25,7 @@
location: http://patch-tag.com/r/Saizan/syb-with-class/
Library
- Build-Depends: base >= 3 && < 5, template-haskell >= 2.4 && <
2.6, bytestring, array, containers
+ Build-Depends: base >= 3 && < 5, template-haskell >= 2.4 && <
2.7, bytestring, array, containers
Exposed-modules:
Data.Generics.SYB.WithClass.Basics
Data.Generics.SYB.WithClass.Context
--- syb-with-class-0.6.1.1-orig/Data/Generics/SYB/WithClass/Instances.hs
2010-11-16 19:41:26.000000000 +1100
+++ syb-with-class-0.6.1.1/Data/Generics/SYB/WithClass/Instances.hs
2011-07-31 01:44:38.367318167 +1000
@@ -724,4 +724,4 @@
------------------------------------------------------------------------------
$( deriveData [''ByteString] )
-$( deriveData [''L.ByteString] )
+-- $( deriveData [''L.ByteString] )
ghc 7.2 rc1 encounters this compile time error:
runghc ./Setup.hs build
Building syb-with-class-0.6.1.1...
Preprocessing library syb-with-class-0.6.1.1...
[1 of 4] Compiling Data.Generics.SYB.WithClass.Context (
Data/Generics/SYB/WithClass/Context.hs,
dist/build/Data/Generics/SYB/WithClass/Context.o )
[2 of 4] Compiling Data.Generics.SYB.WithClass.Basics (
Data/Generics/SYB/WithClass/Basics.hs,
dist/build/Data/Generics/SYB/WithClass/Basics.o )
[3 of 4] Compiling Data.Generics.SYB.WithClass.Derive (
Data/Generics/SYB/WithClass/Derive.hs,
dist/build/Data/Generics/SYB/WithClass/Derive.o )
Data/Generics/SYB/WithClass/Derive.hs:26:1:
Warning: In the use of `mkTyCon'
(imported from Data.Generics.SYB.WithClass.Basics, but
defined in Data.Typeable):
Deprecated: "either derive Typeable, or use mkTyCon3 instead"
[4 of 4] Compiling Data.Generics.SYB.WithClass.Instances (
Data/Generics/SYB/WithClass/Instances.hs,
dist/build/Data/Generics/SYB/WithClass/Instances.o )
Loading package ghc-prim ... linking ... done.
Loading package integer-gmp ... linking ... done.
Loading package base ... linking ... done.
Loading package array-0.3.0.3 ... linking ... done.
Loading package containers-0.4.1.0 ... linking ... done.
Loading package pretty-1.1.0.0 ... linking ... done.
Loading package template-haskell ... linking ... done.
Loading package bytestring-0.9.2.0 ... linking ... done.
Loading package ffi-1.0 ... linking ... done.
Data/Generics/SYB/WithClass/Instances.hs:9:1:
Warning: In the use of `mkTyCon'
(imported from Data.Generics.SYB.WithClass.Basics, but
defined in Data.Typeable):
Deprecated: "either derive Typeable, or use mkTyCon3 instead"
Data/Generics/SYB/WithClass/Instances.hs:14:1:
Warning: The import of `Data.ByteString.Lazy' is redundant
except perhaps to import instances from
`Data.ByteString.Lazy'
To import instances alone, use: import Data.ByteString.Lazy()
ghc: panic! (the 'impossible' happened)
(GHC version 7.2.0.20110728 for x86_64-unknown-linux):
mkUsageInfo: internal name? constr_aaER{v}
Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug
Compilation exited abnormally with code 1 at Sun Jul 31 01:55:25
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5362>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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