A64: Synchronize with r15545.

test/webkit/regexp-divequal.js

Index: test/webkit/regexp-divequal.js
diff --git a/test/webkit/concat-while-having-a-bad-time.js b/test/webkit/regexp-divequal.js
similarity index 85%
copy from test/webkit/concat-while-having-a-bad-time.js
copy to test/webkit/regexp-divequal.js
index dfda1e08a0b36194b787a44ee12a9693acd8aeaf..5f06a9a2b8ff5cae71ba8629189dabaeb50e55f5 100644
--- a/test/webkit/concat-while-having-a-bad-time.js
+++ b/test/webkit/regexp-divequal.js
@@ -21,11 +21,10 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-description(
-"Tests the behavior of Array.prototype.concat while the array is having a bad time due to one of the elements we are concatenating."
-);
-
-Object.defineProperty(Array.prototype, 0, { writable: false });
-shouldBe("[42].concat()", "[42]");
-
+description('Test JS parser handling of regex literals starting with /=');
 
+shouldBe("/=/.toString()", "'/=/'");
+shouldBeFalse("/=/.test('')");
+shouldBeTrue("/=/.test('=')");
+shouldBe("'='.match(/=/)", "['=']");
+shouldBe("'='.match(/\\=/)", "['=']");