The following invalid code snippet triggers an ICE on mainline and the 4.3 branch:
====================== void foo() { 0.2r == 0.2hr; } ====================== bug.c: In function 'foo': bug.c:3: sorry, unimplemented: GCC cannot support operators with integer types and fixed-point types that have too many integral and fractional bits together bug.c:3: internal compiler error: Segmentation fault Please submit a full bug report, [etc.] -- Summary: [4.3/4.4 regression] ICE with fixed-point constants Product: gcc Version: 4.4.0 Status: UNCONFIRMED Keywords: ice-on-invalid-code, error-recovery, monitored Severity: normal Priority: P3 Component: c AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: reichelt at gcc dot gnu dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35448