While trying to compiling cinelerra on
athlon X2, Debian lenny, Latest Beta Nvidia drivers (may be usefull), 2.6.20 with cfs patchv4

gcc -v :

Using built-in specs.
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --enable-languages=c,c++,fortran,objc,obj-c++,treelang --prefix=/usr --enable-shared --with-system-zlib --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --enable-nls --program-suffix=-4.1 --enable-__cxa_atexit --enable-clocale=gnu --enable-libstdcxx-debug --enable-mpfr --enable-checking=release x86_64-linux-gnu
Thread model: posix
gcc version 4.1.2 20061115 (prerelease) (Debian 4.1.1-21)


...
MotionSearcher.hh: In instantiation of ‘MotionSearcher<unsigned char, 1, int, short int, int, 4, 2, short unsigned int, Pixel<unsigned char, 1, int>, ReferencePixel<short unsigned int, unsigned char, 1, Pixel<unsigned char, 1, int> >, ReferenceFrame<ReferencePixel<short unsigned int, unsigned char, 1, Pixel<unsigned char, 1, int> >, short int, int> >::MatchThrottleFloodFillControl’:
MotionSearcher.hh:507:   instantiated from ‘MotionSearcher<unsigned char, 1, int, short int, int, 4, 2, short unsigned int, Pixel<unsigned char, 1, int>, ReferencePixel<short unsigned int, unsigned char, 1, Pixel<unsigned char, 1, int> >, ReferenceFrame<ReferencePixel<short unsigned int, unsigned char, 1, Pixel<unsigned char, 1, int> >, short int, int> >’
newdenoise.cc:32:   instantiated from here
MotionSearcher.hh:2444: internal compiler error: in tsubst, at cp/pt.c:7226
Please submit a full bug report,
with preprocessed source if appropriate.
...

I still have the preprocessed .out let me know if you want it, or if you need anythings else.