A64: Synchronize with r17441.

test/mjsunit/harmony/math-sign.js

Index: test/mjsunit/harmony/math-sign.js
diff --git a/src/a64/debugger-a64.h b/test/mjsunit/harmony/math-sign.js
similarity index 64%
copy from src/a64/debugger-a64.h
copy to test/mjsunit/harmony/math-sign.js
index 1317b5f37d3c55ceff6132960d507cdd4bb22e22..8a89d62828bdbd43a972498f0b32d1a27939171e 100644
--- a/src/a64/debugger-a64.h
+++ b/test/mjsunit/harmony/math-sign.js
@@ -25,32 +25,24 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-#ifndef V8_A64_DEBUGGER_A64_H_
-#define V8_A64_DEBUGGER_A64_H_
-
-#if defined(USE_SIMULATOR)
-
-#include "globals.h"
-#include "utils.h"
-#include "a64/constants-a64.h"
-#include "a64/simulator-a64.h"
-
-namespace v8 {
-namespace internal {
-
-
-class Debugger : public Simulator {
- public:
-  Debugger(Decoder* decoder, FILE* stream = stderr)
-    : Simulator(decoder, NULL, stream) {}
-
-  // Functions overloading.
-  void VisitException(Instruction* instr);
-};
-
-
-} }  // namespace v8::internal
-
-#endif  // USE_SIMULATOR
-
-#endif  // V8_A64_DEBUGGER_A64_H_
+// Flags: --harmony-maths
+
+assertEquals("Infinity", String(1/Math.sign(0)));
+assertEquals("-Infinity", String(1/Math.sign(-0)));
+assertEquals(1, Math.sign(100));
+assertEquals(-1, Math.sign(-199));
+assertEquals(1, Math.sign(100.1));
+assertTrue(isNaN(Math.sign("abc")));
+assertTrue(isNaN(Math.sign({})));
+assertEquals(0, Math.sign([]));
+assertEquals(1, Math.sign([1]));
+assertEquals(-1, Math.sign([-100.1]));
+assertTrue(isNaN(Math.sign([1, 1])));
+assertEquals(1, Math.sign({ toString: function() { return "100"; } }));
+assertEquals(1, Math.sign({ toString: function() { return 100; } }));
+assertEquals(-1, Math.sign({ valueOf: function() { return -1.1; } }));
+assertEquals(-1, Math.sign({ valueOf: function() { return "-1.1"; } }));
+assertEquals(-1, Math.sign(-Infinity));
+assertEquals(1, Math.sign(Infinity));
+assertEquals(-1, Math.sign("-Infinity"));
+assertEquals(1, Math.sign("Infinity"));