[JS IR] fix warnings

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

@@ -28,6 +28,7 @@ import org.jetbrains.kotlin.name.FqName
 import org.jetbrains.kotlin.serialization.js.ModuleKind
 import java.io.ByteArrayInputStream
 
+@Suppress("UNUSED_PARAMETER")
 @OptIn(ObsoleteDescriptorBasedAPI::class)
 fun compileWithIC(
     module: IrModuleFragment,
@@ -81,8 +82,8 @@ fun compileWithIC(
     deserializer.postProcess()
     symbolTable.noUnboundLeft("Unbound symbols at the end of linker")
 
-    allModules.forEach { module ->
-        moveBodilessDeclarationsToSeparatePlace(context, module)
+    allModules.forEach {
+        moveBodilessDeclarationsToSeparatePlace(context, it)
     }
 
     generateJsTests(context, mainModule)

compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/transformers/irToJs/jsAstUtils.kt

@@ -474,7 +474,7 @@ private inline fun <T : JsNode> T.addSourceInfoIfNeed(node: IrElement, context:
 
     if (node.startOffset == UNDEFINED_OFFSET || node.endOffset == UNDEFINED_OFFSET) return
 
-    val fileEntry = context.currentFile?.fileEntry ?: return
+    val fileEntry = context.currentFile.fileEntry
 
     val path = fileEntry.name
     val startLine = fileEntry.getLineNumber(node.startOffset)

js/js.tests/test/org/jetbrains/kotlin/js/test/BasicIrBoxTest.kt

@@ -581,10 +581,10 @@ abstract class BasicIrBoxTest(
             esModules = false,
         )
 
-        val cacheProvider = icCache.cacheProvider()
-        val newBinaryAsts = dirtyFiles.associateWith { cacheProvider.binaryAst(it) }
-
         // TODO: enable asserts when binary stability is achieved
+//        val cacheProvider = icCache.cacheProvider()
+//        val newBinaryAsts = dirtyFiles.associateWith { cacheProvider.binaryAst(it) }
+//
 //        for (file in dirtyFiles) {
 //            val oldBinaryAst = oldBinaryAsts[file]
 //            val newBinaryAst = newBinaryAsts[file]