http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55734
Bug #: 55734 Summary: gcov-io.c uses builtins not available in non-GCC compilers Classification: Unclassified Product: gcc Version: 4.8.0 Status: UNCONFIRMED Severity: blocker Priority: P3 Component: gcov-profile AssignedTo: unassig...@gcc.gnu.org ReportedBy: al...@gcc.gnu.org gcov-io.c uses the following builtins that are not available in non-GCC compilers or in older GCC's (pre 3.4): __builtin_popcountll __builtin_clzll