JVM_IR: do not copy bodies when creating static functions

compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/ir/IrUtils.kt

@@ -504,8 +504,7 @@ fun createStaticFunctionWithReceivers(
     oldFunction: IrFunction,
     dispatchReceiverType: IrType? = oldFunction.dispatchReceiverParameter?.type,
     origin: IrDeclarationOrigin = oldFunction.origin,
-    modality: Modality = Modality.FINAL,
-    copyBody: Boolean = true
+    modality: Modality = Modality.FINAL
 ): IrSimpleFunction {
     val descriptor = WrappedSimpleFunctionDescriptor(Annotations.EMPTY, oldFunction.descriptor.source)
     return IrFunctionImpl(
@@ -542,10 +541,6 @@ fun createStaticFunctionWithReceivers(
                                        oldFunction.valueParameters.map { it.copyTo(this, index = it.index + offset) }
         )
 
-        if (copyBody) {
-            copyBodyToStatic(oldFunction, this)
-        }
-
         metadata = oldFunction.metadata
     }
 }

compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/lower/InlineClassDeclarationLowering.kt

@@ -237,5 +237,5 @@ class InlineClassLowering(val context: BackendContext) {
     }
 
     private fun createStaticBodilessMethod(function: IrFunction): IrSimpleFunction =
-        createStaticFunctionWithReceivers(function.parent, function.name.toInlineClassImplementationName(), function, copyBody = false)
+        createStaticFunctionWithReceivers(function.parent, function.name.toInlineClassImplementationName(), function)
 }