Merge ConstantExpressionEvaluator and CompileTimeConstantResolver

compiler/testData/codegen/box/namespace/nullablePrimitiveNoFieldInitializer.kt

@@ -4,7 +4,7 @@ val zbyte : Byte? = 3
 val zshort : Short? = 4
 val zchar : Char? = 'c'
 val zdouble : Double? = 1.0
-val zfloat : Float? = 2.0
+val zfloat : Float? = 2.0.toFloat()
 
 fun box(): String {
   return "OK"

compiler/testData/codegen/box/primitiveTypes/kt3576.kt

@@ -1,6 +1,6 @@
 object TestObject {
-    val testFloat: Float = 0.9999
-    val otherFloat: Float = 1.01
+    val testFloat: Float = 0.9999.toFloat()
+    val otherFloat: Float = 1.01.toFloat()
 }
 
 fun box(): String {