test redundant_locals in proc macros

Author: max-niederman

tests/ui/redundant_locals.rs

@@ -1,6 +1,10 @@
+//@aux-build:proc_macros.rs
 #![allow(unused, clippy::no_effect)]
 #![warn(clippy::redundant_locals)]
 
+extern crate proc_macros;
+use proc_macros::{external, with_span};
+
 fn main() {}
 
 fn immutable() {
@@ -94,4 +98,14 @@ fn macros() {
     }
 
     rebind!(x);
+
+    external! {
+        let x = 1;
+        let x = x;
+    }
+    with_span! {
+        span
+        let x = 1;
+        let x = x;
+    }
 }

tests/ui/redundant_locals.stderr

@@ -1,5 +1,5 @@
 error: redundant redefinition of a binding
-  --> $DIR/redundant_locals.rs:7:9
+  --> $DIR/redundant_locals.rs:11:9
    |
 LL |     let x = 1;
    |         ^
@@ -10,7 +10,7 @@ LL |     let x = x;
    = note: `-D clippy::redundant-locals` implied by `-D warnings`
 
 error: redundant redefinition of a binding
-  --> $DIR/redundant_locals.rs:12:9
+  --> $DIR/redundant_locals.rs:16:9
    |
 LL |     let mut x = 1;
    |         ^^^^^
@@ -20,7 +20,7 @@ LL |     let mut x = x;
    = help: remove the redefinition of `x`
 
 error: redundant redefinition of a binding
-  --> $DIR/redundant_locals.rs:33:14
+  --> $DIR/redundant_locals.rs:37:14
    |
 LL | fn parameter(x: i32) {
    |              ^
@@ -30,7 +30,7 @@ LL |     let x = x;
    = help: remove the redefinition of `x`
 
 error: redundant redefinition of a binding
-  --> $DIR/redundant_locals.rs:38:9
+  --> $DIR/redundant_locals.rs:42:9
    |
 LL |     let x = 1;
    |         ^
@@ -40,7 +40,7 @@ LL |     let x = x;
    = help: remove the redefinition of `x`
 
 error: redundant redefinition of a binding
-  --> $DIR/redundant_locals.rs:39:9
+  --> $DIR/redundant_locals.rs:43:9
    |
 LL |     let x = x;
    |         ^
@@ -50,7 +50,7 @@ LL |     let x = x;
    = help: remove the redefinition of `x`
 
 error: redundant redefinition of a binding
-  --> $DIR/redundant_locals.rs:40:9
+  --> $DIR/redundant_locals.rs:44:9
    |
 LL |     let x = x;
    |         ^
@@ -60,7 +60,7 @@ LL |     let x = x;
    = help: remove the redefinition of `x`
 
 error: redundant redefinition of a binding
-  --> $DIR/redundant_locals.rs:41:9
+  --> $DIR/redundant_locals.rs:45:9
    |
 LL |     let x = x;
    |         ^
@@ -70,7 +70,7 @@ LL |     let x = x;
    = help: remove the redefinition of `x`
 
 error: redundant redefinition of a binding
-  --> $DIR/redundant_locals.rs:46:9
+  --> $DIR/redundant_locals.rs:50:9
    |
 LL |     let a = 1;
    |         ^
@@ -81,7 +81,7 @@ LL |     let a = a;
    = help: remove the redefinition of `a`
 
 error: redundant redefinition of a binding
-  --> $DIR/redundant_locals.rs:47:9
+  --> $DIR/redundant_locals.rs:51:9
    |
 LL |     let b = 2;
    |         ^
@@ -92,7 +92,7 @@ LL |     let b = b;
    = help: remove the redefinition of `b`
 
 error: redundant redefinition of a binding
-  --> $DIR/redundant_locals.rs:54:13
+  --> $DIR/redundant_locals.rs:58:13
    |
 LL |         let x = 1;
    |             ^
@@ -102,7 +102,7 @@ LL |         let x = x;
    = help: remove the redefinition of `x`
 
 error: redundant redefinition of a binding
-  --> $DIR/redundant_locals.rs:61:13
+  --> $DIR/redundant_locals.rs:65:13
    |
 LL |         let x = 1;
    |             ^
@@ -112,7 +112,7 @@ LL |         let x = x;
    = help: remove the redefinition of `x`
 
 error: redundant redefinition of a binding
-  --> $DIR/redundant_locals.rs:64:6
+  --> $DIR/redundant_locals.rs:68:6
    |
 LL |     |x: i32| {
    |      ^
@@ -122,7 +122,7 @@ LL |         let x = x;
    = help: remove the redefinition of `x`
 
 error: redundant redefinition of a binding
-  --> $DIR/redundant_locals.rs:81:9
+  --> $DIR/redundant_locals.rs:85:9
    |
 LL |     let x = 1;
    |         ^