Function checkCircularity

test/fixtures/snapshot/typescript.js:30579–30586

(stackIndex, nodeStack, node)

            return stackIndex;
        }
        function checkCircularity(stackIndex, nodeStack, node) {
            if (ts.Debug.shouldAssert(2 /* AssertionLevel.Aggressive */)) {
                while (stackIndex >= 0) {
                    ts.Debug.assert(nodeStack[stackIndex] !== node, "Circular traversal detected.");
                    stackIndex--;
                }
            }
        }
    })(BinaryExpressionState || (BinaryExpressionState = {}));
    /**
     * Holds state machine handler functions