func: static DoTypeMonitorFallback(JSContext* cx, void* payload, ICTypeMonitor_Fallback* HandleValue value, MutableHandleValue res) TypeFallbackICSpew ( cx , stub , "TypeMonitor" );  TypeFallbackICSpew(JSContext* cx, ICTypeMonitor_Fallback* stub, const char* fmt, ...) if ( JitSpewEnabled ( JitSpew_BaselineICFallback ) )  char fmtbuf [ 100 ] ; va_list args ; vsnprintf ( fmtbuf , 100 , fmt , args ); JitSpew ( JitSpew_BaselineICFallback "Type monitor fallback hit for (%s:%" PRIuSIZE ") (pc=%" PRIuSIZE ",line=%d,uses=%d,stubs=%d): %s" script -> filename ( ) script -> lineno ( ) script -> pcToOffset ( pc ) PCToLineNumber ( script , pc ) script -> getWarmUpCount ( ) ( int ) stub -> numOptimizedMonitorStubs ( ) fmtbuf ) 