Printf test failures on Mono/Linux for F# 3.1

[ghost]

I've been working on activating testing using tests/fsharp/core/... on non-Windows platforms

vagrant@vagrant-debian-wheezy:/vagrant/tests/fsharp/core$ mono --version
Mono JIT compiler version 3.0.10 ((no/eff4cb5 Fri Jun 7 06:45:28 EDT 2013)
Copyright (C) 2002-2012 Novell, Inc, Xamarin Inc and Contributors. www.mono-proj
ect.com
TLS: __thread
SIGSEGV: altstack
Notifications: epoll
Architecture: amd64
Disabled: none
Misc: softdebug
LLVM: supported, not enabled.
GC: Included Boehm (with typed GC and Parallel Mark)

vagrant@vagrant-debian-wheezy:/vagrant/tests/fsharp/core$ uname -a

Linux vagrant-debian-wheezy 3.2.0-4-amd64 #1 SMP Debian 3.2.41-2+deb7u2 x86_64 GNU/Linux

---

FAILURE: printf/test.fsx - test test7042: expected
' 000005' but produced
'00000 5'
FAILURE: printf/test.fsx - test test7073: expected
'-0010' but produced
'00-10'
FAILURE: printf/test.fsx - test test7129: expected
'-0010' but produced
'00-10'
FAILURE: printf/test.fsx - test test7161: expected
'5 ' but produced
'5000000'
FAILURE: printf/test.fsx - test test7210: expected
' 000005' but produced
'00000 5'
FAILURE: printf/test.fsx - test test7238: expected
'-000010' but produced
'0000-10'
FAILURE: printf/test.fsx - test test7266: expected
'-000010' but produced
'0000-10'
FAILURE: printf/test.fsx - test test7299: expected
'-10 ' but produced
'-1000'
FAILURE: printf/test.fsx - test test7329: expected
'5 ' but produced
'5000000'
FAILURE: printf/test.fsx - test test7383: expected
' 5 ' but produced
' 5000'
FAILURE: printf/test.fsx - test test7437: expected
'-0010' but produced
'00-10'
FAILURE: printf/test.fsx - test test7528: expected
'+5 ' but produced
'+5000'
FAILURE: printf/test.fsx - test test7551: expected
' 5 ' but produced
' 5000'
FAILURE: printf/test.fsx - test test7630: expected
'-000010' but produced
'0000-10'
FAILURE: printf/test.fsx - test test7633: expected
'-0010' but produced
'00-10'
FAILURE: printf/test.fsx - test test7768: expected
'-0010' but produced
'00-10'
FAILURE: printf/test.fsx - test test7770: expected
'-000010' but produced
'0000-10'
FAILURE: printf/test.fsx - test test7833: expected
'5 ' but produced
'5000000'
FAILURE: printf/test.fsx - test test7864: expected
'+5 ' but produced
'+5000'
FAILURE: printf/test.fsx - test test7882: expected
' 000005' but produced
'00000 5'
FAILURE: printf/test.fsx - test test7892: expected
' 5 ' but produced
' 5000'
FAILURE: printf/test.fsx - test test7915: expected
'-10 ' but produced
'-1000'
FAILURE: printf/test.fsx - test test7948: expected
'-10 ' but produced
'-1000'
FAILURE: printf/test.fsx - test test8004: expected
'10 ' but produced
'10000'
FAILURE: printf/test.fsx - test test8190: expected
'-0015.5' but produced
'00-15.5'
FAILURE: printf/test.fsx - test test8246: expected
'-000007' but produced
'00000-7'
FAILURE: printf/test.fsx - test test8274: expected
'-000007' but produced
'00000-7'
FAILURE: printf/test.fsx - test test8277: expected
'-0007' but produced
'000-7'
FAILURE: printf/test.fsx - test test8281: expected
'-7 ' but produced
'-700000'

[ghost]

This is incorrect, I was running the test against F# 3.0 FSharp.Core.dll