Function typesAreSameReference

test/fixtures/snapshot/typescript.js:53232–53236

(a, b)

                }
            }
            function typesAreSameReference(a, b) {
                return a === b
                    || !!a.symbol && a.symbol === b.symbol
                    || !!a.aliasSymbol && a.aliasSymbol === b.aliasSymbol;
            }
            function indexInfoToIndexSignatureDeclarationHelper(indexInfo, context, typeNode) {
                var name = ts.getNameFromIndexInfo(indexInfo) || "x";
                var indexerTypeNode = typeToTypeNodeHelper(indexInfo.keyType, context);