When I compile qt334 with the actual snapshot of gcc41 (20050813) I get an ICE with -O3 -funsafe-math-optimizations. This ICE is new, the snapshot from last week is working.
Michael Cieslinski g++41k -c -O3 -funsafe-math-optimizations -o gllandscape.o gllandscape.ii opengl/gllandscape.cpp: In member function 'void GLLandscape::calculateVertexNormals()': opengl/gllandscape.cpp:457: internal compiler error: tree check: expected real_cst, have integer_cst in const_binop, at fold-const.c:1512 Please submit a full bug report, with preprocessed source if appropriate. g++41k -v Using built-in specs. Target: x86_64-unknown-linux-gnu Configured with: ../gcc-4.1-20050813/configure --prefix=/usr/local/gcc41k -- program-suffix=41k --with-arch=opteron --enable-languages=c,c++ --enable- checking Thread model: posix gcc version 4.1.0 20050813 (experimental) -- Summary: ICE: tree check: expected real_cst, have integer_cst in const_binop, at fold-const.c:1512 Product: gcc Version: 4.1.0 Status: UNCONFIRMED Severity: normal Priority: P2 Component: tree-optimization AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: micis at gmx dot de CC: gcc-bugs at gcc dot gnu dot org GCC build triplet: x86_64-unknown-linux-gnu GCC host triplet: x86_64-unknown-linux-gnu GCC target triplet: x86_64-unknown-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23433