I just tried to compile Suse Linux package lsvpd-0.16.0-36 with the GNU C++ compiler version 4.3 snapshot 20070209.
The compiler said In file included from node.c:31: /usr/include/stdlib.h: In function 'atof': /usr/include/stdlib.h:400: internal compiler error: in optimize_inline_calls, at tree-inline.c:2808 Please submit a full bug report, with preprocessed source if appropriate. See <URL:http://gcc.gnu.org/bugs.html> for instructions. Preprocessed source code attached. Flags -fno-unit-at-a-time -O2 required. -- Summary: ice for legal code with -fno-unit-at-a-time -O2 Product: gcc Version: 4.3.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: dcb314 at hotmail dot com GCC host triplet: x86_64-suse-linux http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30772