I am using GCC 4.4.0 20080829 (experimental). $ cat u.c void f(unsigned long x);
void g(long x) { f((unsigned long)(-1-x)+1); } $ gcc -c u.c u.c: In function 'g': u.c:4: error: non-trivial conversion at assignment D.2087 x D.2087 = -x; u.c:4: internal compiler error: verify_gimple failed Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. -- Summary: ICE after non-trivial conversion at assignment Product: gcc Version: 4.4.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: kreckel at ginac dot de GCC build triplet: x86_64-unknown-linux-gnu GCC host triplet: x86_64-unknown-linux-gnu GCC target triplet: x86_64-unknown-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37289