Scanner::LiteralBuffer usage cleanup.

src/parsing/token.cc

Index: src/parsing/token.cc
diff --git a/src/parsing/token.cc b/src/parsing/token.cc
index 7edfefa82100c16a11db2773e18b4f3211e34ffd..35038ba766d67d352b4d8d67a59ca01d676c6129 100644
--- a/src/parsing/token.cc
+++ b/src/parsing/token.cc
@@ -22,6 +22,16 @@ const char* const Token::string_[NUM_TOKENS] = {
 };
 #undef T
 
+#if !V8_CC_MSVC
+// TODO(vogelheim): Remove #if once MSVC supports constexpr on functions.
+constexpr
+#endif
+uint8_t length(const char* str) {
+  return str ? static_cast<uint8_t>(strlen(str)) : 0;
+}
+#define T(name, string, precedence) length(string),
+const uint8_t Token::string_length_[NUM_TOKENS] = {TOKEN_LIST(T, T)};
+#undef T
 
 #define T(name, string, precedence) precedence,
 const int8_t Token::precedence_[NUM_TOKENS] = {