Deprecated with ERROR preconditions with eager message.

compiler/testData/codegen/boxWithStdlib/reflection/mapping/topLevelProperty.kt

@@ -6,7 +6,7 @@ var topLevel = "123"
 fun box(): String {
     val p = ::topLevel
 
-    assert(p.javaField != null, "Fail p field")
+    assert(p.javaField != null) { "Fail p field" }
     val field = p.javaField!!
     val className = field.getDeclaringClass().getName()
     assertEquals("TopLevelPropertyKt", className)
@@ -17,9 +17,9 @@ fun box(): String {
     assertEquals(getter, Class.forName("TopLevelPropertyKt").getMethod("getTopLevel"))
     assertEquals(setter, Class.forName("TopLevelPropertyKt").getMethod("setTopLevel", javaClass<String>()))
 
-    assert(getter.invoke(null) == "123", "Fail k getter")
+    assert(getter.invoke(null) == "123") { "Fail k getter" }
     setter.invoke(null, "456")
-    assert(getter.invoke(null) == "456", "Fail k setter")
+    assert(getter.invoke(null) == "456") { "Fail k setter" }
 
     return "OK"
 }