On *-apple-darwin9 gcc.dg/utf-cvt.c (and g++.dg/ext/utf-cvt.C) fails to give warnings at lines 46 and 47 when tested with -m64.
-- Summary: FAIL: gcc.dg/utf-cvt.c (test for warnings, line 46/47) with -m64 Product: gcc Version: 4.4.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: dominiq at lps dot ens dot fr GCC build triplet: *-apple-darwin9 GCC host triplet: *-apple-darwin9 GCC target triplet: *-apple-darwin9 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35981