#2962: Fix space leak in genericLength
-----------------------------+----------------------------------------------
Reporter: thorkilnaur | Owner:
Type: bug | Status: new
Priority: normal | Component: libraries/base
Version: 6.11 | Severity: normal
Keywords: | Testcase:
Os: Unknown/Multiple | Architecture: Unknown/Multiple
-----------------------------+----------------------------------------------
There is a space leak in {{{genericLength}}}:
{{{
$ ghc/stage2-inplace/ghc --interactive
GHCi, version 6.11.20090116: http://www.haskell.org/ghc/ :? for help
Loading package ghc-prim ... linking ... done.
Loading package integer ... linking ... done.
Loading package base ... linking ... done.
Loading package ffi-1.0 ... linking ... done.
Prelude> :module +List
Prelude List> genericLength [1..600000]
*** Exception: stack overflow
Prelude List>
Prelude List> length [1..600000]
600000
Prelude List>
}}}
The attached patch against the base library provides a fix.
Best regards
Thorkil
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2962>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
_______________________________________________
Glasgow-haskell-bugs mailing list
[email protected]
http://www.haskell.org/mailman/listinfo/glasgow-haskell-bugs
