I'm using gcc version egcs-2.91.47 19980710 (gcc2 ss-980609 experimental) compiled with egcs-1.0.3a on an alphaev56-unknown-linux-gnu. It happened when I compiled src/widgets/moc_qscrollview.cpp from qt-1.39-19980706. Compiler flags are -O2 -fno-strength-reduce -fPIC. When I change -O2 to -O, it compiles OK. Felix