Fix transcendental cache on ARM in optimized code.

test/mjsunit/regress/regress-2234.js

Index: test/mjsunit/regress/regress-2234.js
diff --git a/test/mjsunit/regress/regress-2045.js b/test/mjsunit/regress/regress-2234.js
similarity index 85%
copy from test/mjsunit/regress/regress-2045.js
copy to test/mjsunit/regress/regress-2234.js
index 822ee1fa4641b4a0ba15eee2c2a2e59411db7d4d..3f37e23d40552c3983fd010655deadbb30bf3947 100644
--- a/test/mjsunit/regress/regress-2045.js
+++ b/test/mjsunit/regress/regress-2234.js
@@ -25,25 +25,14 @@
 // (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: --allow-natives-syntax
-
-function foo() {
-  assertEquals(2, arguments.length);
-}
-
-function bar() {
-  G.x;
-  return foo.apply(this, arguments);
+function test(i) {
+  // Overwrite random parts of the transcendental cache.
+  Math.sin(i / 1779 * Math.PI);
+  // Check whether the first cache line has been accidentally overwritten
+  // with incorrect key.
+  assertEquals(0, Math.sin(0));
 }
 
-function baz() {
-  return bar(1, 2);
+for (i = 0; i < 1000; ++i) {
+  test(i);

[Jakob Kummerow, 2012/07/16 09:24:09]

I'd add:
if (i == 3) %OptimizeFunctionOnNextCall(test);

and don't forget // Flags: --allow-natives-syntax

 }
-
-G = {x: 0};
-baz();
-baz();
-%OptimizeFunctionOnNextCall(baz);
-baz();
-delete G.x;
-baz();