T5975a is broken on Windows

=====> T5975a(ghci) 84 of 91 [0, 0, 0]
cd . && touch föøbà r1.hs
cd . && HC='c:/simonmar/ghc-validate/inplace/bin/ghc-stage2.exe' HC_OPTS='-dcore-lint -dcmm-lint -dno-debug-output -no-user-package-db -rtsopts -fno-ghci-history ' 'c:/simonmar/ghc-validate/inplace/bin/ghc-stage2.exe' --interactive -v0 -ignore-dot-ghci -dcore-lint -dcmm-lint -dno-debug-output -no-user-package-db -rtsopts -fno-ghci-history     <T5975a.script >T5975a.run.stdout 2>T5975a.run.stderr
Actual stderr output differs from expected:
--- /dev/null   2012-10-08 13:22:40 +0100
+++ ./T5975a.run.stderr 2012-10-08 13:22:40 +0100
@@ -0,0 +1,2 @@
+
+<no location info>: can't find file: föøbà r1.hs

I've spent a bit of time looking at this, but I'm lost in a maze of Unicode encodings. So I'll just mark the test broken on Windows for now.

Trac metadata

Trac field	Value
Version	7.6.1
Type	Bug
TypeOfFailure	OtherFailure
Priority	normal
Resolution	Unresolved
Component	Test Suite
Test case
Differential revisions
BlockedBy
Related
Blocking
CC
Operating system	Unknown/Multiple
Architecture