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Merge pull request #2864 from antlr/fix-javascript-NPE 

Fix a NPE
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Terence Parr 2020-07-12 09:27:34 -07:00 committed by GitHub
parent 3d9351f61e 2bfce77e91
commit eb1adaa8a7
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1 changed files with 2 additions and 2 deletions
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4
runtime/JavaScript/src/antlr4/Utils.js
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@ -66,11 +66,11 @@ String.prototype.hashCode = function () {
};
function standardEqualsFunction(a, b) {
return a.equals(b);
return a ? a.equals(b) : a==b;
}
function standardHashCodeFunction(a) {
return a.hashCode();
return a ? a.hashCode() : -1;
}
class Set {