Aim: check for B's vbase offset overflow in the D's vtable on IA32. struct B { B() {} virtual ~B() {} int b; }; struct D : virtual B { char d1[1u << 30]; char d2[1u << 30]; };
g++-4.0 -std=c++98 -pedantic -W -Wall -O3 bug.cpp -c bug.cpp:7: internal compiler error: in tree_low_cst, at tree.c:3843 Please submit a full bug report, g++-4.0 -v Using built-in specs. Target: i486-linux-gnu Configured with: ../src/configure -v --enable-languages=c,c++,java,f95,objc,ada,treelang --prefix=/usr --enable-shared --with-system-zlib --libexecdir=/usr/lib --enable-nls --without-included-gettext --enable-threads=posix --program-suffix=-4.0 --enable-__cxa_atexit --enable-libstdcxx-allocator=mt --enable-clocale=gnu --enable-libstdcxx-debug --enable-java-gc=boehm --enable-java-awt=gtk --with-java-home=/usr/lib/jvm/java-1.4.2-gcj-4.0-1.4.2.0/jre --enable-mpfr --disable-werror --enable-checking=release i486-linux-gnu Thread model: posix gcc version 4.0.1 (Debian 4.0.1-2) -- Summary: compiler crash on huge object size with virtual base Product: gcc Version: 4.0.1 Status: UNCONFIRMED Severity: normal Priority: P2 Component: c++ AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: laurent dot deniau at cern dot ch CC: gcc-bugs at gcc dot gnu dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23457