Only copy with, block and catch scopes in DebugEvaluate.

test/mjsunit/regress/regress-crbug-171715.js

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       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 12 matching lines @@
 // 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.
 
 // Flags: --expose-debug-as debug
 
 Debug = debug.Debug
 
 var error = null;
-var array = ["a", "b", "c"];
+var test = 0;
+
+function check_v(expected, exec_state, frame_id) {
+  assertEquals(expected, exec_state.frame(frame_id).evaluate('v').value());
+}
 
 function listener(event, exec_state, event_data, data) {
   try {
-    if (event == Debug.DebugEvent.Break) {
-      assertArrayEquals(array,
+    if (event != Debug.DebugEvent.Break) return;
+    test++;
+    if (test == 1) {
+      check_v('inner0', exec_state, 0);
+      check_v('inner0', exec_state, 1);
+      check_v('outer',  exec_state, 2);
+      assertArrayEquals(["a", "b", "c"],
                         exec_state.frame(0).evaluate('arguments').value());
+    } else if (test == 2) {
+      check_v('inner1', exec_state, 0);
+      check_v('inner1', exec_state, 1);
+      check_v('outer',  exec_state, 2);
+      assertArrayEquals(["a", "b", "c"],
+                        exec_state.frame(0).evaluate('arguments').value());
+    } else {
+      assertEquals(3, test);
+      check_v('inner2', exec_state, 0);
+      check_v('inner1', exec_state, 1);
+      check_v('inner1', exec_state, 2);
+      check_v('outer',  exec_state, 3);
+      assertArrayEquals(["x", "y", "z"],
+                        exec_state.frame(0).evaluate('arguments').value());
+      assertArrayEquals(["a", "b", "c"],
+                        exec_state.frame(1).evaluate('arguments').value());
     }
   } catch (e) {
     error = e;
   }
 };
 
 Debug.setListener(listener);
 
-
-function f(a, b) {
-  arguments;
-  debugger;  // Arguments object is already materialized.
-}
-
-f.apply(this, array);
-f("a", "b", "c");
+var v = 'outer';
+(function() {  // Test 1 and 2
+  var v = 'inner0';
+  eval("debugger; var v = 'inner1'; debugger;");
+  assertEquals('inner1', v);  // Overwritten by local eval.
+})("a", "b", "c");
 assertNull(error);
 
-function g(a, b) {
-  debugger;  // Arguments object is not yet materialized.
-}
-g.apply(this, array);
-g("a", "b", "c");
+(function() {  // Test 3
+  var v = 'inner0';  // Local eval overwrites this value.
+  eval("var v = 'inner1'; " +
+       "(function() { var v = 'inner2'; debugger; })('x', 'y', 'z');");
+  assertEquals('inner1', v);  // Overwritten by local eval.
+})("a", "b", "c");
 assertNull(error);
-