VisitAssertion    861 src/ast.cc     void* RegExpUnparser::VisitAssertion(RegExpAssertion* that, void* data) {
VisitAssertion   4451 src/jsregexp.cc void DotPrinter::VisitAssertion(AssertionNode* that) {
VisitAssertion   5663 src/jsregexp.cc void Analysis::VisitAssertion(AssertionNode* that) {
VisitAssertion   5823 src/jsregexp.cc void DispatchTableConstructor::VisitAssertion(AssertionNode* that) {