KT-3517 Can't call .equals() on a boolean

#KT-3517 Fixed

compiler/backend/src/org/jetbrains/jet/codegen/intrinsics/IntrinsicMethods.java

@@ -116,6 +116,7 @@ public class IntrinsicMethods {
         declareBinaryOp(Name.identifier("xor"), IXOR);
 
         declareIntrinsicFunction(Name.identifier("Boolean"), Name.identifier("not"), 0, new Not());
+        declareIntrinsicFunction(Name.identifier("Boolean"), Name.identifier("equals"), 1, EQUALS);
 
         declareIntrinsicFunction(Name.identifier("String"), Name.identifier("plus"), 1, new Concat());
         declareIntrinsicFunction(Name.identifier("CharSequence"), Name.identifier("get"), 1, new StringGetChar());

compiler/testData/codegen/box/primitiveTypes/kt3517.kt

@@ -0,0 +1,6 @@
+// KT-3517 Can't call .equals() on a boolean
+
+fun box(): String {
+    val a = false
+    return if (true.equals(true) && a.equals(false)) "OK" else "fail"
+}

compiler/tests/org/jetbrains/jet/codegen/generated/BlackBoxCodegenTestGenerated.java

@@ -3732,6 +3732,11 @@ public class BlackBoxCodegenTestGenerated extends AbstractBlackBoxCodegenTest {
             doTest("compiler/testData/codegen/box/primitiveTypes/kt3078.kt");
         }
         
+        @TestMetadata("kt3517.kt")
+        public void testKt3517() throws Exception {
+            doTest("compiler/testData/codegen/box/primitiveTypes/kt3517.kt");
+        }
+        
         @TestMetadata("kt3576.kt")
         public void testKt3576() throws Exception {
             doTest("compiler/testData/codegen/box/primitiveTypes/kt3576.kt");