A64: Synchronize with r15922.

test/webkit/fast/js/stack-overflow-arrity-catch.js

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions
 // are met:
 // 1.  Redistributions of source code must retain the above copyright
 //     notice, this list of conditions and the following disclaimer.
 // 2.  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.
 //
 // THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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.
 
-description('Test that when the stack overflows, the exception goes to the last frame before the overflow');
+description('Test that if an arrity check causes a stack overflow, the exception goes to the right catch');
 
-var level = 0;
-var stackLevel = 0;
-var gotWrongCatch = false;
+function funcWith20Args(arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8,
+                        arg9, arg10, arg11, arg12, arg13, arg14, arg15,
+                        arg16, arg17, arg18, arg19, arg20)
+{
+    debug("ERROR: Shouldn't arrive in 20 arg function!");
+}
+
+var gotRightCatch = false, gotWrongCatch1 = false, gotWrongCatch2 = false;
 
 function test1()
 {
-    var myLevel = level;
-    var dummy;
-
-    try {
-        level = level + 1;
-        // Dummy code to make this funciton different from test2()
-        dummy = level * level + 1;
-        if (dummy == 0)
-            debug('Should never get here!!!!');
-    } catch(err) {
-        gotWrongCatch = true;
-    }
-
     try {
         test2();
-    } catch(err) {
-        stackLevel = myLevel;
+    } catch (err) {
+        // Should get here because of stack overflow,
+        // now cause a stack overflow exception due to arrity processing
+        try {
+            var dummy = new RegExp('a|b|c');
+        } catch(err) {
+            // (1) It is dendent on the stack size if we arrive here, in (2) or
+            // both.
+            gotWrongCatch1 = true;
+        }
+
+        try {
+            funcWith20Args(1, 2, 3);
+        } catch (err2) {
+            gotRightCatch = true;
+        }
     }
 }
 
 function test2()
 {
-    var myLevel = level;
-
-    // Dummy code to make this funciton different from test1()
-    if (gotWrongCatch)
-        debug('Should never get here!!!!');
-
     try {
-        level = level + 1;
+        var dummy = new Date();
     } catch(err) {
-        gotWrongCatch = true;
+        // (2) It is dendent on the stack size if we arrive here, in (1) or
+        // both.
+        gotWrongCatch2 = true;
     }
 
     try {
         test1();
-    } catch(err) {
-        stackLevel = myLevel;
+    } catch (err) {
+        // Should get here because of stack overflow,
+        // now cause a stack overflow exception due to arrity processing
+        try {
+            funcWith20Args(1, 2, 3, 4, 5, 6);
+        } catch (err2) {
+            gotRightCatch = true;
+        }
     }
 }
 
 test1();
 
-shouldBeFalse("gotWrongCatch");
-shouldBe("(stackLevel)", "(level - 1)");
+shouldBeTrue("gotRightCatch");