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parse let as symbol names correctly (#5151)

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fixes #5149
This commit is contained in:
Alex Lam S.L
2021-10-21 02:14:29 +08:00
committed by GitHub
parent 32ae994f88
commit 25801627be
3 changed files with 69 additions and 19 deletions
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6
test/ufuzz/index.js
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@@ -334,6 +334,7 @@ var VAR_NAMES = [
"arguments",
"async",
"await",
"let",
"yield",
];
var INITIAL_NAMES_LEN = VAR_NAMES.length;
@@ -352,7 +353,7 @@ var TYPEOF_OUTCOMES = [
];
var avoid_vars = [];
var block_vars = [];
var block_vars = [ "let" ];
var lambda_vars = [];
var unique_vars = [];
var classes = [];
@@ -399,7 +400,7 @@ function mayDefer(code) {
function createTopLevelCode() {
VAR_NAMES.length = INITIAL_NAMES_LEN; // prune any previous names still in the list
block_vars.length = 0;
block_vars.length = 1;
lambda_vars.length = 0;
unique_vars.length = 0;
classes.length = 0;
@@ -2027,6 +2028,7 @@ function removeAvoidVar(name) {
function isBannedKeyword(name) {
switch (name) {
case "arguments":
case "let":
return in_class;
case "await":
return async !== false;