Generate optimized hashCode for primitive type with jvmTarget 1.8+

#KT-7571 Fixed

compiler/testData/codegen/bytecodeText/hashCode/hashCode.kt

@@ -0,0 +1,16 @@
+fun box(): String {
+    true.hashCode()
+    1.toByte().hashCode()
+    1.toChar().hashCode()
+    1.toShort().hashCode()
+    1.hashCode()
+    1L.hashCode()
+    1.0F.hashCode()
+    1.0.hashCode()
+    "".hashCode()
+
+    return "OK"
+}
+
+// 9 \.hashCode
+// 9 \.hashCode \(\)I