Compare FP numbers properly when determining if field initializer needed

compiler/testData/codegen/box/properties/const/fpNonConstValProperlyInitialized.kt

@@ -0,0 +1,15 @@
+// !LANGUAGE: +NoConstantValueAttributeForNonConstVals
+// TARGET_BACKEND: JVM
+// WITH_RUNTIME
+
+import kotlin.test.assertEquals
+
+val minus0F = -0.0F
+val minus0D = -0.0
+
+fun box(): String {
+    assertEquals(-0.0F, minus0F)
+    assertEquals(-0.0, minus0D)
+
+    return "OK"
+}