[IR] Temporarily move to-be-autogenerated files under gen directory

compiler/ir/ir.tree/gen/org/jetbrains/kotlin/ir/declarations/impl/IrFileImpl.kt

@@ -0,0 +1,44 @@
+/*
+ * Copyright 2010-2024 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.ir.declarations.impl
+
+import org.jetbrains.kotlin.ir.IrFileEntry
+import org.jetbrains.kotlin.ir.declarations.IrDeclaration
+import org.jetbrains.kotlin.ir.declarations.IrFile
+import org.jetbrains.kotlin.ir.declarations.IrModuleFragment
+import org.jetbrains.kotlin.ir.declarations.MetadataSource
+import org.jetbrains.kotlin.ir.expressions.IrConstructorCall
+import org.jetbrains.kotlin.ir.symbols.IrFileSymbol
+import org.jetbrains.kotlin.ir.symbols.UnsafeDuringIrConstructionAPI
+import org.jetbrains.kotlin.name.FqName
+
+class IrFileImpl(
+    override var fileEntry: IrFileEntry,
+    override val symbol: IrFileSymbol,
+    override var packageFqName: FqName,
+) : IrFile() {
+    init {
+        symbol.bind(this)
+    }
+
+    override lateinit var module: IrModuleFragment
+
+    internal val isInsideModule: Boolean
+        get() = ::module.isInitialized
+
+    override val startOffset: Int
+        get() = 0
+
+    override val endOffset: Int
+        get() = fileEntry.maxOffset
+
+    @UnsafeDuringIrConstructionAPI
+    override val declarations: MutableList<IrDeclaration> = ArrayList()
+
+    override var annotations: List<IrConstructorCall> = emptyList()
+
+    override var metadata: MetadataSource? = null
+}

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/impl/IrFileImpl.kt

@@ -7,44 +7,11 @@ package org.jetbrains.kotlin.ir.declarations.impl
 
 import org.jetbrains.kotlin.descriptors.PackageFragmentDescriptor
 import org.jetbrains.kotlin.ir.IrFileEntry
-import org.jetbrains.kotlin.ir.declarations.IrDeclaration
-import org.jetbrains.kotlin.ir.declarations.IrFile
 import org.jetbrains.kotlin.ir.declarations.IrModuleFragment
-import org.jetbrains.kotlin.ir.declarations.MetadataSource
-import org.jetbrains.kotlin.ir.expressions.IrConstructorCall
 import org.jetbrains.kotlin.ir.symbols.IrFileSymbol
-import org.jetbrains.kotlin.ir.symbols.UnsafeDuringIrConstructionAPI
 import org.jetbrains.kotlin.ir.symbols.impl.IrFileSymbolImpl
 import org.jetbrains.kotlin.name.FqName
 
-class IrFileImpl(
-    override var fileEntry: IrFileEntry,
-    override val symbol: IrFileSymbol,
-    override var packageFqName: FqName
-) : IrFile() {
-    init {
-        symbol.bind(this)
-    }
-
-    override lateinit var module: IrModuleFragment
-
-    internal val isInsideModule: Boolean
-        get() = ::module.isInitialized
-
-    override val startOffset: Int
-        get() = 0
-
-    override val endOffset: Int
-        get() = fileEntry.maxOffset
-
-    @UnsafeDuringIrConstructionAPI
-    override val declarations: MutableList<IrDeclaration> = ArrayList()
-
-    override var annotations: List<IrConstructorCall> = emptyList()
-
-    override var metadata: MetadataSource? = null
-}
-
 fun IrFileImpl(
     fileEntry: IrFileEntry,
     symbol: IrFileSymbol,