id,summary,reporter,owner,description,type,status,priority,milestone,component,version,resolution,keywords,cc,os,architecture,failure,difficulty,testcase,blockedby,blocking,related
5730,unicode characters in cabal path leads to package installation failure,guest,,"on windows xp/7/8 when path to local cabal packages contains russian unicode characters, some of packages with dependencies fail to link.

local cabal install path is in user directory on windows, 
like C:\Documents and Settings\леново\Application Data\cabal\
and ghc fails like this:
{{{
loadObj ""C:\\Documents and Settings\\\1083\1077\1085\1086\1074\1086\\Application Data\\cabal\\primitive-0.4.0.1\\ghc-7.0.4\\HSprimitive-0.4.0.1.o"": failed
}}}
some of packages that fail:
vector
alex

not works on haskell platform 2011.4.0.0, 2011.2.0.1

log:
{{{
C:\Documents and Settings\леново>cabal install vector
Resolving dependencies...
...
Installing library in C:\Documents and Settings\леново\Application
Data\cabal\primitive-0.4.0.1\ghc-7.0.4
Registering primitive-0.4.0.1...
Downloading vector-0.9...
Configuring vector-0.9...
Preprocessing library vector-0.9...
Building vector-0.9...
...
Loading package ghc-prim ... linking ... done.
Loading package integer-gmp ... linking ... done.
Loading package base ... linking ... done.
Loading package primitive-0.4.0.1 ... ghc.exe: panic! (the 'impossible' happened
)
  (GHC version 7.0.4 for i386-unknown-mingw32):
        loadObj ""C:\\Documents and Settings\\\1083\1077\1085\1086\1074\1086\\Application Data\\cabal\\primitive-0.4.0.1\\ghc-7.0.4\\HSprimitive-0.4.0.1.o"": failed
}}}
",bug,closed,normal,7.6.1,Build System,7.0.4,duplicate,,,Windows,Unknown/Multiple,Compile-time crash,Unknown,,,,