I just tried to compile Suse Linux package GraphicsMagick-1.1.10-11 with the GNU C compiler version 4.3, snapshot 20071207 and the compiler said
rle.c: In function 'ReadRLEImage': rle.c:116: error: incorrect sharing of tree nodes prologue_after_cost_adjust.421_1336 = (long unsigned int) D.8406_92; (long unsigned int) D.8406_92; rle.c:116: internal compiler error: verify_stmts failed Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. Preprocessed source code attached. Flags -O2 -ftree-vectorize required. -- Summary: verify_stmts failed 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=34407