Fix for issue 3756

compiler/javatests/com/google/dart/compiler/parser/SyntaxTest.java

Index: compiler/javatests/com/google/dart/compiler/parser/SyntaxTest.java
===================================================================
--- compiler/javatests/com/google/dart/compiler/parser/SyntaxTest.java	(revision 8906)
+++ compiler/javatests/com/google/dart/compiler/parser/SyntaxTest.java	(working copy)
@@ -240,6 +240,45 @@
       ParserErrorCode.CATCH_OR_FINALLY_EXPECTED, 8, 3);
   }
 
+  public void test_tryOn_catch() {
+    parseUnit("tryOn.dart", "f() {try {} catch (e) {}}");
+  }
+
+  public void test_tryOn_catchStack() {
+    parseUnit("tryOn.dart", "f() {try {} catch (e, s) {}}");
+  }
+
+  public void test_tryOn_on1Catch1() {
+    parseUnit("tryOn.dart", Joiner.on("\n").join(
+        "class Object {}",
+        "class E {}",
+        "f() {try {} on E catch (e) {}}"));
+  }
+
+  public void test_tryOn_on2Catch2() {
+    parseUnit("tryOn.dart", Joiner.on("\n").join(
+        "class Object {}",
+        "class E1 {}",
+        "class E2 {}",
+        "f() {try {} on E1 catch (e1) {} on E2 catch (e2) {}}"));
+  }
+
+  public void test_tryOn_on2Catch3() {
+    parseUnit("tryOn.dart", Joiner.on("\n").join(
+        "class Object {}",
+        "class E1 {}",
+        "class E2 {}",
+        "f() {try {} on E1 catch (e1) {} on E2 catch (e2) {} catch (e3) {}}"));
+  }
+
+  public void test_tryOn_on2Catch2Finally() {
+    parseUnit("tryOn.dart", Joiner.on("\n").join(
+        "class Object {}",
+        "class E1 {}",
+        "class E2 {}",
+        "f() {try {} on E1 catch (e1) {} on E2 catch (e2) {} finally {}}"));
+  }
+
   public void testArrayLiteral() {
     DartUnit unit = parseUnit("phony_array_literal.dart", "var x = <int>[1,2,3];");
     List<DartNode> nodes = unit.getTopLevelNodes();