#5665: Duplicate asm symbols for record fields when TH is used in the module
-----------------------------------+----------------------------------------
Reporter: mikhail.vorozhtsov | Owner:
Type: bug | Status: new
Priority: normal | Component: Compiler
Version: 7.3 | Keywords:
Testcase: | Blockedby:
Os: Unknown/Multiple | Blocking:
Architecture: Unknown/Multiple | Failure: None/Unknown
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{{{
$ cat TH.hs
module TH where
import Language.Haskell.TH
doSomeTH s tp = return [NewtypeD [] n [] (NormalC n [(NotStrict, ConT
tp)]) []]
where n = mkName s
$ cat Bug.hs
{-# LANGUAGE TemplateHaskell #-}
module Bug where
import TH
data Record = Record { recordField :: Int }
$(doSomeTH "SomeType" ''Int)
$ ghc-7.3.20111128 -fforce-recomp TH.hs Bug.hs
[1 of 2] Compiling TH ( TH.hs, TH.o )
[2 of 2] Compiling Bug ( Bug.hs, Bug.o )
Loading package ghc-prim ... linking ... done.
Loading package integer-gmp ... linking ... done.
Loading package base ... linking ... done.
Loading package pretty-1.1.0.0 ... linking ... done.
Loading package array-0.3.0.3 ... linking ... done.
Loading package deepseq-1.2.0.1 ... linking ... done.
Loading package containers-0.4.2.0 ... linking ... done.
Loading package template-haskell ... linking ... done.
/tmp/ghc29791_0/ghc29791_0.s: Assembler messages:
/tmp/ghc29791_0/ghc29791_0.s:54:0:
Error: symbol `Bug_recordField_closure' is already defined
/tmp/ghc29791_0/ghc29791_0.s:74:0:
Error: symbol `Bug_recordField_info' is already defined
}}}
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5665>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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