Remove special-casing of calls to RegExp test and exec methods with no argument.

test/test262/test262.status

 # Copyright 2011 the V8 project authors. All rights reserved.
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 # modification, are permitted provided that the following conditions are
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 #
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 #       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 11 matching lines @@
 # 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.
 
 prefix test262
 def FAIL_OK = FAIL, OKAY
 
 ############################### BUGS ###################################
-
 # '__proto__' should be treated as a normal property in JSON.
 S15.12.2_A1: FAIL
 
 # V8 Bug: http://code.google.com/p/v8/issues/detail?id=1196
 S8.7_A5_T2: FAIL
 
 # V8 Bug: http://code.google.com/p/v8/issues/detail?id=1624
 S10.4.2.1_A1: FAIL
 
 # V8 Bug: http://code.google.com/p/v8/issues/detail?id=1530
@@ skipping 95 matching lines @@
 # octal numbers in order to not break the web.
 S15.1.2.2_A5.1_T1: FAIL_OK
 
 # This tests precision of trignometric functions.  We're slightly off
 # from the implementation in libc (~ 1e-17) but it's not clear if we
 # or they are closer to the right answer, or if it even matters.
 S15.8.2.16_A7: PASS || FAIL_OK
 S15.8.2.18_A7: PASS || FAIL_OK
 S15.8.2.13_A23: PASS || FAIL_OK
 
-# We allow calls to regexp exec() with no arguments to fail for
-# compatibility reasons.
-S15.10.6.2_A1_T16: FAIL_OK
-S15.10.6.2_A12: FAIL_OK
-S15.10.6.3_A1_T16: FAIL_OK
-
 # Sputnik tests (r97) assume RegExp.prototype is an Object, not a RegExp.
 S15.10.6_A2: FAIL_OK
 
 # We are silent in some regexp cases where the spec wants us to give
 # errors, for compatibility.
 S15.10.2.11_A1_T2: FAIL
 S15.10.2.11_A1_T3: FAIL
 
 # We are more lenient in which string character escapes we allow than
 # the spec (7.8.4 p. 19) wants us to be.  This is for compatibility.
@@ skipping 356 matching lines @@
 S15.1.3.2_A2.5_T1: SKIP
 S15.1.3.3_A2.3_T1: SKIP
 S15.1.3.4_A2.3_T1: SKIP
 S15.1.3.1_A2.5_T1: SKIP
 S15.1.3.2_A2.5_T1: SKIP
 
 [ $arch == mips ]
 
 # Skip all tests on MIPS.
 *: SKIP