I just tried to compile Suse Linux package lsvpd-0.16.0-35 with the GNU C compiler version 4.3 snapshot 20070119.
The compiler said cc -O2 -g -fmessage-length=0 -D_FORTIFY_SOURCE=2 -fno-unit-at-a-time -I../lib -c -o node_handler.o node_handler.c node_handler.c:213: error: inlined_to pointer is set but no predecessors found call_inits/151(-1): (inline copy in main/144) availability:available(93) 19 insns tree finalized inlinable called by: calls: node_handler.c:213: internal compiler error: verify_cgraph_node failed 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 -O2 -fno-unit-at-a-time required. -- Summary: ice for legal code with flags -O2 -fno-unit-at-a-time 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=30563