// Allow calls to panic*
				s := v.Aux.(*AuxCall).Fn.String()
				switch s {
				case "runtime.racefuncenter", "runtime.racefuncexit",
					"runtime.panicdivide", "runtime.panicwrap",
					"runtime.panicshift":
					continue
				}
				// If we encountered any call, we need to keep racefunc*,
				// for accurate stacktraces.
				return false
			case OpPanicBounds, OpPanicExtend: