JS IR: sort input files to make compilation stable

compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/compiler.kt

@@ -32,6 +32,11 @@ fun compile(
     export: FqName? = null,
     dependencies: List<ModuleDescriptor> = listOf()
 ): Result {
+    // Make compilation stable
+    // Shadow original list to prevent accidental usage
+    @Suppress("NAME_SHADOWING")
+    val files = files.sortedBy { it.virtualFilePath }
+
     val analysisResult =
         TopDownAnalyzerFacadeForJS.analyzeFiles(files, project, configuration, dependencies.filterIsInstance(), emptyList())