Support reading binary metadata of the next major release

Already existing tests testRequireKotlinInNestedClassesAgainst14{,Js}
now check that there's no error when loading a module/class with
metadata version 1.4.0

 #KT-25972 Fixed

compiler/tests/org/jetbrains/kotlin/jvm/compiler/CompileKotlinAgainstCustomBinariesTest.kt

@@ -316,15 +316,12 @@ class CompileKotlinAgainstCustomBinariesTest : AbstractKotlinCompilerIntegration
 
     fun testRequireKotlinInNestedClassesAgainst14() {
         val library = compileLibrary("library", additionalOptions = listOf("-Xmetadata-version=1.4.0"))
-        compileKotlin("source.kt", tmpdir, listOf(library), additionalOptions = listOf("-Xskip-metadata-version-check"))
+        compileKotlin("source.kt", tmpdir, listOf(library))
     }
 
     fun testRequireKotlinInNestedClassesAgainst14Js() {
         val library = compileJsLibrary("library", additionalOptions = listOf("-Xmetadata-version=1.4.0"))
-        compileKotlin(
-            "source.kt", File(tmpdir, "usage.js"), listOf(library), K2JSCompiler(),
-            additionalOptions = listOf("-Xskip-metadata-version-check")
-        )
+        compileKotlin("source.kt", File(tmpdir, "usage.js"), listOf(library), K2JSCompiler())
     }
 
     /*test source mapping generation when source info is absent*/

compiler/util/src/org/jetbrains/kotlin/utils/KotlinJavascriptMetadataUtils.kt

@@ -26,7 +26,8 @@ class KotlinJavascriptMetadata(val version: JsMetadataVersion, val moduleName: S
 
 // TODO: move to JS modules
 class JsMetadataVersion(vararg numbers: Int) : BinaryVersion(*numbers) {
-    override fun isCompatible() = this.isCompatibleTo(INSTANCE)
+    override fun isCompatible(): Boolean =
+        isMetadataVersionCompatible()
 
     fun toInteger() = (patch shl 16) + (minOf(minor, 255) shl 8) + minOf(major, 255)