From 7c0124dd357650acb9b7115a408712ea281d8d22 Mon Sep 17 00:00:00 2001
From: Austin Bonander <austin.bonander@gmail.com>
Date: Thu, 15 Mar 2018 23:20:56 -0700
Subject: Expand attribute macros on statements and expressions.

Retains the `stmt_expr_attributes` feature requirement for attributes on expressions.

closes #41475
cc #38356
---
 src/libsyntax_ext/deriving/custom.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'src/libsyntax_ext')

diff --git a/src/libsyntax_ext/deriving/custom.rs b/src/libsyntax_ext/deriving/custom.rs
index 22e78e9b426..80557078d54 100644
--- a/src/libsyntax_ext/deriving/custom.rs
+++ b/src/libsyntax_ext/deriving/custom.rs
@@ -54,7 +54,9 @@ impl MultiItemModifier for ProcMacroDerive {
         let item = match item {
             Annotatable::Item(item) => item,
             Annotatable::ImplItem(_) |
-            Annotatable::TraitItem(_) => {
+            Annotatable::TraitItem(_) |
+            Annotatable::Stmt(_) |
+            Annotatable::Expr(_) => {
                 ecx.span_err(span, "proc-macro derives may only be \
                                     applied to struct/enum items");
                 return Vec::new()
-- 
cgit 1.4.1-3-g733a5