Fix a throw returning to a frame marked for lazy deopt that captures the stacktrace.

tests/language/vm/lazy_deopt_with_exception_and_stacktrace_test.dart

Index: tests/language/vm/lazy_deopt_with_exception_and_stacktrace_test.dart
diff --git a/tests/language/vm/lazy_deopt_with_exception_test.dart b/tests/language/vm/lazy_deopt_with_exception_and_stacktrace_test.dart
similarity index 79%
copy from tests/language/vm/lazy_deopt_with_exception_test.dart
copy to tests/language/vm/lazy_deopt_with_exception_and_stacktrace_test.dart
index a4943661bb63d035d61dfd6e7fc267ea1ad46d65..f67845a2ae7dbc577999de7233afc3931268eff8 100644
--- a/tests/language/vm/lazy_deopt_with_exception_test.dart
+++ b/tests/language/vm/lazy_deopt_with_exception_and_stacktrace_test.dart
@@ -28,7 +28,10 @@ AA(C c, bool b) {
 T1(C c, bool b) {
   try {
     AA(c, b);
-  } on dynamic {
+  } on dynamic catch (e, st) {
+    print(e);
+    print(st);
+    Expect.isTrue(st is StackTrace, "is StackTrace");
   }
   return c.x + 1;
 }
@@ -38,12 +41,17 @@ T1(C c, bool b) {
 T2(C c, bool b) {
   try {
     AA(c, b);
-  } on String {
+  } on String catch(e, st) {
+    print(e);
+    print(st);
+    Expect.isTrue(st is StackTrace, "is StackTrace");
     Expect.isTrue(false);
-  } on int catch(e) {
+  } on int catch(e, st) {
     Expect.equals(e, 123);
     Expect.equals(b, true);
     Expect.equals(c.x, 2.5);
+    print(st);
+    Expect.isTrue(st is StackTrace, "is StackTrace");
   }
   return c.x + 1;
 }
@@ -60,5 +68,3 @@ main() {
   Expect.equals(3.5, T1(c, true));
   Expect.equals(3.5, T2(c, true));
 }
-
-