Add missing test for transcendental functions.

test/mjsunit/regress/regress-transcendental.js

Index: test/mjsunit/regress/regress-transcendental.js
diff --git a/test/mjsunit/regress/regress-transcendental.js b/test/mjsunit/regress/regress-transcendental.js
new file mode 100644
index 0000000000000000000000000000000000000000..c0713156e2e14dd4e9973b5841ab45ae5fe0cd9c
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+++ b/test/mjsunit/regress/regress-transcendental.js
@@ -0,0 +1,49 @@
+// Copyright 2012 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
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Flags: --expose-gc
+
+// Test whether the runtime implementation and generated code of
+// sine and tangens return the same results.
+
+function test(f, x, name) {
+  // Reset transcendental cache.
+  gc();
+  // Initializing cache leads to a runtime call.
+  var runtime_result = f(x);
+  // Flush transcendental cache.
+  for (var i = 0; i < 100000; i++) f(i);
+  // Calculate using generated code.
+  var gencode_result = f(x);
+  print(name + " runtime function: " + runtime_result);
+  print(name + " generated code  : " + gencode_result);
+  assertEquals(gencode_result, runtime_result);
+}
+
+test(Math.tan, -1.57079632679489660000, "Math.tan");
+test(Math.sin, 6.283185307179586, "Math.sin");
+