Get an ICE when compiling c++ code with optimization turned on. gcc -v:
Using built-in specs. Target: i486-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 --with-tune=i686 --enable-checking=release i486-linux-gnu Thread model: posix gcc version 4.1.2 20061020 (prerelease) (Debian 4.1.1-17) Compile command: g++ -Wall -march=pentium4 -msse -msse2 -O3 -I/usr/local/Thirdparty/1.25.3/Linux/gcc-4.1.2-32bit///include -I/usr/local/Thirdparty/1.25.3/Linux/gcc-4.1.2-32bit//src/tcl/generic -I/usr/local/Thirdparty/1.25.3/Linux/gcc-4.1.2-32bit//src/tk/generic -I/usr/local/Thirdparty/1.25.3/Linux/gcc-4.1.2-32bit//src/tk/unix -I/usr/local/Thirdparty/1.25.3/Linux/gcc-4.1.2-32bit//include/libxml2 -I../src/include -I../src -I. -I./include -I../src/Packages -I/usr/X11R6/include -I/usr/include/petsc -I/usr/include/mpi -I/usr/include/freetype2 -c ../src/Dataflow/Modules/Render/Painter.cc -o Dataflow/Modules/Render/Painter.o ../src/Dataflow/Modules/Render/Painter.cc: In member function 'virtual void SCIRun::Painter::tcl_command(SCIRun::GuiArgs&, void*)': ../src/Dataflow/Modules/Render/Painter.cc:2345: internal compiler error: in dominated_by_p, at dominance.c:827 -- Summary: ICE when compiling c++ code Product: gcc Version: 4.1.2 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: jaschmidt at uofu dot net http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29610