Add a compiler box test for Boolean.hashCode()

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

@@ -0,0 +1,26 @@
+// WITH_STDLIB
+
+import kotlin.test.*
+
+fun box() : String {
+    assertEquals(1231, true.hashCode())
+    assertEquals(1231, hashCode(true))
+    assertEquals(1237, false.hashCode())
+    assertEquals(1237, hashCode(false))
+
+    var b: Boolean? = null
+    assertEquals(0, b.hashCode())
+    assertEquals(0, hashCode(b))
+    b = true
+    assertEquals(1231, b.hashCode())
+    assertEquals(1231, hashCode(b))
+    b = false
+    assertEquals(1237, b.hashCode())
+    assertEquals(1237, hashCode(b))
+
+    return "OK"
+}
+
+fun hashCode(b: Boolean?): Int {
+    return b.hashCode()
+}