TDM's GCC/MinGW32 Builds

Windows XP
Using built-in specs.
Target: mingw32
Configured with: ../../gcc-4.4.1/configure --prefix=/mingw --build=mingw32
--ena
ble-languages=c,ada,c++,fortran,objc,obj-c++ --disable-nls
--disable-win32-regis
try --enable-libgomp --enable-cxx-flags='-fno-function-sections
-fno-data-sectio
ns' --disable-werror --enable-threads --disable-symvers
--enable-version-specifi
c-runtime-libs --enable-fully-dynamic-string --with-pkgversion='TDM-2
mingw32' -
-enable-sjlj-exceptions
--with-bugurl=http://www.tdragon.net/recentgcc/bugs.php
Thread model: win32
gcc version 4.4.1 (TDM-2 mingw32)
GNU ld (GNU Binutils) 2.19.1
Windows shell

I get an internal compiler error: Segmentation fault when building Qt
4.6.0-Beta1 Technology Preview, see output below.
This is the 2nd system on which the exact same error occurred in the same
place so it should be reproducible.
Sorry not such a small test example though!

C:/Qt/4.6.0-beta1/bin/moc.exe -DUNICODE -DQT_LARGEFILE_SUPPORT
-DQDESIGNER_SDK_L
IBRARY -DQDESIGNER_EXTENSION_LIBRARY -DQDESIGNER_UILIB_LIBRARY
-DQDESIGNER_SHARE
D_LIBRARY -DQT_DESIGNER -DQT_DLL -DQT_NO_DEBUG -DQT_SCRIPT_LIB -DQT_XML_LIB
-DQT
_GUI_LIB -DQT_CORE_LIB -DQT_THREAD_SUPPORT -I"..\..\..\..\include\QtCore"
-I"..\
..\..\..\include\QtGui" -I"..\..\..\..\include\QtXml"
-I"..\..\..\..\include\QtS
cript" -I"..\..\..\..\include" -I"extension" -I"sdk" -I"uilib" -I"shared"
-I"..\
..\..\shared\qtpropertybrowser" -I"..\..\..\shared\deviceskin"
-I"..\..\..\..\sr
c\tools\rcc" -I"..\..\..\shared\findwidget"
-I"..\..\..\shared\qtgradienteditor"
-I"..\..\..\..\include\ActiveQt" -I"tmp\moc\release_shared" -I"."
-I"..\..\..\.
.\mkspecs\win32-g++" -D__GNUC__ -DWIN32
..\..\..\shared\qtpropertybrowser\qtvari
antproperty.h -o tmp\moc\release_shared\moc_qtvariantproperty.cpp
g++ -c -include tmp\obj\release_shared\lib_pch.h -O2 -frtti -fexceptions
-mthrea
ds -Wall -DUNICODE -DQT_LARGEFILE_SUPPORT -DQDESIGNER_SDK_LIBRARY
-DQDESIGNER_EX
TENSION_LIBRARY -DQDESIGNER_UILIB_LIBRARY -DQDESIGNER_SHARED_LIBRARY
-DQT_DESIGN
ER -DQT_DLL -DQT_NO_DEBUG -DQT_SCRIPT_LIB -DQT_XML_LIB -DQT_GUI_LIB
-DQT_CORE_LI
B -DQT_THREAD_SUPPORT -I"..\..\..\..\include\QtCore"
-I"..\..\..\..\include\QtGu
i" -I"..\..\..\..\include\QtXml" -I"..\..\..\..\include\QtScript"
-I"..\..\..\..
\include" -I"extension" -I"sdk" -I"uilib" -I"shared"
-I"..\..\..\shared\qtproper
tybrowser" -I"..\..\..\shared\deviceskin" -I"..\..\..\..\src\tools\rcc"
-I"..\..
\..\shared\findwidget" -I"..\..\..\shared\qtgradienteditor"
-I"..\..\..\..\inclu
de\ActiveQt" -I"tmp\moc\release_shared" -I"."
-I"..\..\..\..\mkspecs\win32-g++"
-o tmp\obj\release_shared\qtvariantproperty.o
..\..\..\shared\qtpropertybrowser\
qtvariantproperty.cpp
..\..\..\shared\qtpropertybrowser\qtvariantproperty.cpp: In constructor
'QtVaria
ntEditorFactory::QtVariantEditorFactory(QObject*)':
..\..\..\shared\qtpropertybrowser\qtvariantproperty.cpp:1927: internal
compiler
error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://www.tdragon.net/recentgcc/bugs.php> for instructions.
mingw32-make[5]: *** [tmp/obj/release_shared/qtvariantproperty.o] Error 1
mingw32-make[5]: Leaving directory
`C:/Qt/4.6.0-beta1/tools/designer/src/lib'

Regards
David Robinsion