ART: Distinguish Checker lines from comments

In order to prevent tests passing due to lines with hard-to-spot
formatting errors begin ignored, e.g. by forgetting the colon after
"//CHECK", Checker will now require its assertions to start with "///"
or "##", respectivelly for Java and Smali. Such lines will never be
ignored and will fail the test unless successfully parsed.

Change-Id: I0da9a8f13eb96d950af8c85df17d1899a853a299
diff --git a/test/476-checker-ctor-memory-barrier/src/Main.java b/test/476-checker-ctor-memory-barrier/src/Main.java
index f24dc4a..e709ba0 100644
--- a/test/476-checker-ctor-memory-barrier/src/Main.java
+++ b/test/476-checker-ctor-memory-barrier/src/Main.java
@@ -17,8 +17,8 @@
 // TODO: Add more tests after we can inline functions with calls.
 
 class ClassWithoutFinals {
-  // CHECK-START: void ClassWithoutFinals.<init>() register (after)
-  // CHECK-NOT: MemoryBarrier kind:StoreStore
+  /// CHECK-START: void ClassWithoutFinals.<init>() register (after)
+  /// CHECK-NOT: MemoryBarrier kind:StoreStore
   public ClassWithoutFinals() {}
 }
 
@@ -26,9 +26,9 @@
   public final int x;
   public ClassWithFinals obj;
 
-  // CHECK-START: void ClassWithFinals.<init>(boolean) register (after)
-  // CHECK:      MemoryBarrier kind:StoreStore
-  // CHECK-NEXT: ReturnVoid
+  /// CHECK-START: void ClassWithFinals.<init>(boolean) register (after)
+  /// CHECK:      MemoryBarrier kind:StoreStore
+  /// CHECK-NEXT: ReturnVoid
   public ClassWithFinals(boolean cond) {
     x = 0;
     if (cond) {
@@ -37,17 +37,17 @@
     }
   }
 
-  // CHECK-START: void ClassWithFinals.<init>() register (after)
-  // CHECK:      MemoryBarrier kind:StoreStore
-  // CHECK-NEXT: ReturnVoid
+  /// CHECK-START: void ClassWithFinals.<init>() register (after)
+  /// CHECK:      MemoryBarrier kind:StoreStore
+  /// CHECK-NEXT: ReturnVoid
   public ClassWithFinals() {
     x = 0;
   }
 
-  // CHECK-START: void ClassWithFinals.<init>(int) register (after)
-  // CHECK:      MemoryBarrier kind:StoreStore
-  // CHECK:      MemoryBarrier kind:StoreStore
-  // CHECK-NEXT: ReturnVoid
+  /// CHECK-START: void ClassWithFinals.<init>(int) register (after)
+  /// CHECK:      MemoryBarrier kind:StoreStore
+  /// CHECK:      MemoryBarrier kind:StoreStore
+  /// CHECK-NEXT: ReturnVoid
   public ClassWithFinals(int x) {
     // This should have two barriers:
     //   - one for the constructor
@@ -58,33 +58,33 @@
 }
 
 class InheritFromClassWithFinals extends ClassWithFinals {
-  // CHECK-START: void InheritFromClassWithFinals.<init>() register (after)
-  // CHECK:      MemoryBarrier kind:StoreStore
-  // CHECK-NEXT: ReturnVoid
+  /// CHECK-START: void InheritFromClassWithFinals.<init>() register (after)
+  /// CHECK:      MemoryBarrier kind:StoreStore
+  /// CHECK-NEXT: ReturnVoid
 
-  // CHECK-START: void InheritFromClassWithFinals.<init>() register (after)
-  // CHECK-NOT:  InvokeStaticOrDirect
+  /// CHECK-START: void InheritFromClassWithFinals.<init>() register (after)
+  /// CHECK-NOT:  InvokeStaticOrDirect
   public InheritFromClassWithFinals() {
     // Should inline the super constructor.
   }
 
-  // CHECK-START: void InheritFromClassWithFinals.<init>(boolean) register (after)
-  // CHECK:      InvokeStaticOrDirect
+  /// CHECK-START: void InheritFromClassWithFinals.<init>(boolean) register (after)
+  /// CHECK:      InvokeStaticOrDirect
 
-  // CHECK-START: void InheritFromClassWithFinals.<init>(boolean) register (after)
-  // CHECK-NOT:  MemoryBarrier kind:StoreStore
+  /// CHECK-START: void InheritFromClassWithFinals.<init>(boolean) register (after)
+  /// CHECK-NOT:  MemoryBarrier kind:StoreStore
   public InheritFromClassWithFinals(boolean cond) {
     super(cond);
     // should not inline the super constructor
   }
 
-  // CHECK-START: void InheritFromClassWithFinals.<init>(int) register (after)
-  // CHECK:      MemoryBarrier kind:StoreStore
-  // CHECK:      MemoryBarrier kind:StoreStore
-  // CHECK:      ReturnVoid
+  /// CHECK-START: void InheritFromClassWithFinals.<init>(int) register (after)
+  /// CHECK:      MemoryBarrier kind:StoreStore
+  /// CHECK:      MemoryBarrier kind:StoreStore
+  /// CHECK:      ReturnVoid
 
-  // CHECK-START: void InheritFromClassWithFinals.<init>(int) register (after)
-  // CHECK-NOT:  InvokeStaticOrDirect
+  /// CHECK-START: void InheritFromClassWithFinals.<init>(int) register (after)
+  /// CHECK-NOT:  InvokeStaticOrDirect
   public InheritFromClassWithFinals(int unused) {
     // Should inline the super constructor and insert a memory barrier.
 
@@ -96,35 +96,35 @@
 class HaveFinalsAndInheritFromClassWithFinals extends ClassWithFinals {
   final int y;
 
-  // CHECK-START: void HaveFinalsAndInheritFromClassWithFinals.<init>() register (after)
-  // CHECK:      MemoryBarrier kind:StoreStore
-  // CHECK-NEXT: ReturnVoid
+  /// CHECK-START: void HaveFinalsAndInheritFromClassWithFinals.<init>() register (after)
+  /// CHECK:      MemoryBarrier kind:StoreStore
+  /// CHECK-NEXT: ReturnVoid
 
-  // CHECK-START: void HaveFinalsAndInheritFromClassWithFinals.<init>() register (after)
-  // CHECK-NOT: InvokeStaticOrDirect
+  /// CHECK-START: void HaveFinalsAndInheritFromClassWithFinals.<init>() register (after)
+  /// CHECK-NOT: InvokeStaticOrDirect
   public HaveFinalsAndInheritFromClassWithFinals() {
     // Should inline the super constructor and remove the memory barrier.
     y = 0;
   }
 
-  // CHECK-START: void HaveFinalsAndInheritFromClassWithFinals.<init>(boolean) register (after)
-  // CHECK:      InvokeStaticOrDirect
-  // CHECK:      MemoryBarrier kind:StoreStore
-  // CHECK-NEXT: ReturnVoid
+  /// CHECK-START: void HaveFinalsAndInheritFromClassWithFinals.<init>(boolean) register (after)
+  /// CHECK:      InvokeStaticOrDirect
+  /// CHECK:      MemoryBarrier kind:StoreStore
+  /// CHECK-NEXT: ReturnVoid
   public HaveFinalsAndInheritFromClassWithFinals(boolean cond) {
     super(cond);
     // should not inline the super constructor
     y = 0;
   }
 
-  // CHECK-START: void HaveFinalsAndInheritFromClassWithFinals.<init>(int) register (after)
-  // CHECK:      MemoryBarrier kind:StoreStore
-  // CHECK:      MemoryBarrier kind:StoreStore
-  // CHECK:      MemoryBarrier kind:StoreStore
-  // CHECK-NEXT: ReturnVoid
+  /// CHECK-START: void HaveFinalsAndInheritFromClassWithFinals.<init>(int) register (after)
+  /// CHECK:      MemoryBarrier kind:StoreStore
+  /// CHECK:      MemoryBarrier kind:StoreStore
+  /// CHECK:      MemoryBarrier kind:StoreStore
+  /// CHECK-NEXT: ReturnVoid
 
-  // CHECK-START: void HaveFinalsAndInheritFromClassWithFinals.<init>(int) register (after)
-  // CHECK-NOT:  InvokeStaticOrDirect
+  /// CHECK-START: void HaveFinalsAndInheritFromClassWithFinals.<init>(int) register (after)
+  /// CHECK-NOT:  InvokeStaticOrDirect
   public HaveFinalsAndInheritFromClassWithFinals(int unused) {
     // Should inline the super constructor and keep just one memory barrier.
     y = 0;
@@ -138,52 +138,52 @@
 
 public class Main {
 
-  // CHECK-START: ClassWithFinals Main.noInlineNoConstructorBarrier() register (after)
-  // CHECK:      InvokeStaticOrDirect
+  /// CHECK-START: ClassWithFinals Main.noInlineNoConstructorBarrier() register (after)
+  /// CHECK:      InvokeStaticOrDirect
 
-  // CHECK-START: ClassWithFinals Main.noInlineNoConstructorBarrier() register (after)
-  // CHECK-NOT:  MemoryBarrier kind:StoreStore
+  /// CHECK-START: ClassWithFinals Main.noInlineNoConstructorBarrier() register (after)
+  /// CHECK-NOT:  MemoryBarrier kind:StoreStore
   public static ClassWithFinals noInlineNoConstructorBarrier() {
     return new ClassWithFinals(false);
   }
 
-  // CHECK-START: void Main.inlineNew() register (after)
-  // CHECK:      MemoryBarrier kind:StoreStore
-  // CHECK-NEXT: ReturnVoid
+  /// CHECK-START: void Main.inlineNew() register (after)
+  /// CHECK:      MemoryBarrier kind:StoreStore
+  /// CHECK-NEXT: ReturnVoid
 
-  // CHECK-START: void Main.inlineNew() register (after)
-  // CHECK-NOT:  InvokeStaticOrDirect
+  /// CHECK-START: void Main.inlineNew() register (after)
+  /// CHECK-NOT:  InvokeStaticOrDirect
   public static void inlineNew() {
     new ClassWithFinals();
   }
 
-  // CHECK-START: void Main.inlineNew1() register (after)
-  // CHECK:      MemoryBarrier kind:StoreStore
-  // CHECK-NEXT: ReturnVoid
+  /// CHECK-START: void Main.inlineNew1() register (after)
+  /// CHECK:      MemoryBarrier kind:StoreStore
+  /// CHECK-NEXT: ReturnVoid
 
-  // CHECK-START: void Main.inlineNew1() register (after)
-  // CHECK-NOT:  InvokeStaticOrDirect
+  /// CHECK-START: void Main.inlineNew1() register (after)
+  /// CHECK-NOT:  InvokeStaticOrDirect
   public static void inlineNew1() {
     new InheritFromClassWithFinals();
   }
 
-  // CHECK-START: void Main.inlineNew2() register (after)
-  // CHECK:      MemoryBarrier kind:StoreStore
-  // CHECK-NEXT: ReturnVoid
+  /// CHECK-START: void Main.inlineNew2() register (after)
+  /// CHECK:      MemoryBarrier kind:StoreStore
+  /// CHECK-NEXT: ReturnVoid
 
-  // CHECK-START: void Main.inlineNew2() register (after)
-  // CHECK-NOT:  InvokeStaticOrDirect
+  /// CHECK-START: void Main.inlineNew2() register (after)
+  /// CHECK-NOT:  InvokeStaticOrDirect
   public static void inlineNew2() {
     new HaveFinalsAndInheritFromClassWithFinals();
   }
 
-  // CHECK-START: void Main.inlineNew3() register (after)
-  // CHECK:      MemoryBarrier kind:StoreStore
-  // CHECK:      MemoryBarrier kind:StoreStore
-  // CHECK-NEXT: ReturnVoid
+  /// CHECK-START: void Main.inlineNew3() register (after)
+  /// CHECK:      MemoryBarrier kind:StoreStore
+  /// CHECK:      MemoryBarrier kind:StoreStore
+  /// CHECK-NEXT: ReturnVoid
 
-  // CHECK-START: void Main.inlineNew3() register (after)
-  // CHECK-NOT:  InvokeStaticOrDirect
+  /// CHECK-START: void Main.inlineNew3() register (after)
+  /// CHECK-NOT:  InvokeStaticOrDirect
   public static void inlineNew3() {
     new HaveFinalsAndInheritFromClassWithFinals();
     new HaveFinalsAndInheritFromClassWithFinals();