Fix typo in math-hyperbolic test.

test/mjsunit/es6/math-hyperbolic.js

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 89 matching lines @@
   assertTrue(isNaN(Math.acosh(x)));
 });
 
 
 // Some random samples.
 assertEqualsDelta(74.20321057778875, Math.sinh(5), 1E-12);
 assertEqualsDelta(-74.20321057778875, Math.sinh(-5), 1E-12);
 
 assertEqualsDelta(1.1276259652063807, Math.cosh(0.5), 1E-12);
 assertEqualsDelta(74.20994852478785, Math.cosh(5), 1E-12);
-assertEqualsDelta1.1276259652063807, Math.cosh(-0.5), 1E-12);
+assertEqualsDelta(1.1276259652063807, Math.cosh(-0.5), 1E-12);
 assertEqualsDelta(74.20994852478785, Math.cosh(-5), 1E-12);
 
 assertEqualsDelta(0.4621171572600, Math.tanh(0.5), 1E-12);
 assertEqualsDelta(0.9999092042625, Math.tanh(5), 1E-12);
 assertEqualsDelta(-0.4621171572600, Math.tanh(-0.5), 1E-12);
 assertEqualsDelta(-0.9999092042625, Math.tanh(-5), 1E-12);
 
 assertEqualsDelta(0.4812118250596, Math.asinh(0.5), 1E-12);
 assertEqualsDelta(2.3124383412727, Math.asinh(5), 1E-12);
 assertEqualsDelta(-0.4812118250596, Math.asinh(-0.5), 1E-12);
@@ skipping 58 matching lines @@
 assertEquals(512.00048828125, Math.cosh(-10*Math.LN2));
 // Case 22 <= |x| < log(maxdouble)
 assertEquals(2.1474836479999983e9, Math.cosh(32*Math.LN2));
 assertEquals(2.1474836479999983e9, Math.cosh(-32*Math.LN2));
 // Case log(maxdouble) <= |x| <= overflowthreshold
 assertEquals(1.7976931348621744e308, Math.cosh(710.4758600739439));
 assertEquals(1.7976931348621744e308, Math.cosh(-710.4758600739439));
 // Overflow.
 assertEquals(Infinity, Math.cosh(710.475860073944));
 assertEquals(Infinity, Math.cosh(-710.475860073944));