Add run-rustfix for range_plus_minus_one tests

tests/ui/range_plus_minus_one.fixed

@@ -0,0 +1,37 @@
+// run-rustfix
+
+#![allow(unused_parens)]
+
+fn f() -> usize {
+    42
+}
+
+#[warn(clippy::range_plus_one)]
+fn main() {
+    for _ in 0..2 {}
+    for _ in 0..=2 {}
+
+    for _ in 0..=3 {}
+    for _ in 0..=3 + 1 {}
+
+    for _ in 0..=5 {}
+    for _ in 0..=1 + 5 {}
+
+    for _ in 1..=1 {}
+    for _ in 1..=1 + 1 {}
+
+    for _ in 0..13 + 13 {}
+    for _ in 0..=13 - 7 {}
+
+    for _ in 0..=f() {}
+    for _ in 0..=(1 + f()) {}
+
+    let _ = ..11 - 1;
+    let _ = ..11;
+    let _ = ..11;
+    let _ = (1..=11);
+    let _ = ((f() + 1)..=f());
+
+    let mut vec: Vec<()> = std::vec::Vec::new();
+    vec.drain(..);
+}

tests/ui/range_plus_minus_one.rs

@@ -1,3 +1,7 @@
+// run-rustfix
+
+#![allow(unused_parens)]
+
 fn f() -> usize {
     42
 }

tests/ui/range_plus_minus_one.stderr

@@ -1,5 +1,5 @@
 error: an inclusive range would be more readable
-  --> $DIR/range_plus_minus_one.rs:10:14
+  --> $DIR/range_plus_minus_one.rs:14:14
    |
 LL |     for _ in 0..3 + 1 {}
    |              ^^^^^^^^ help: use: `0..=3`
@@ -7,25 +7,25 @@ LL |     for _ in 0..3 + 1 {}
    = note: `-D clippy::range-plus-one` implied by `-D warnings`
 
 error: an inclusive range would be more readable
-  --> $DIR/range_plus_minus_one.rs:13:14
+  --> $DIR/range_plus_minus_one.rs:17:14
    |
 LL |     for _ in 0..1 + 5 {}
    |              ^^^^^^^^ help: use: `0..=5`
 
 error: an inclusive range would be more readable
-  --> $DIR/range_plus_minus_one.rs:16:14
+  --> $DIR/range_plus_minus_one.rs:20:14
    |
 LL |     for _ in 1..1 + 1 {}
    |              ^^^^^^^^ help: use: `1..=1`
 
 error: an inclusive range would be more readable
-  --> $DIR/range_plus_minus_one.rs:22:14
+  --> $DIR/range_plus_minus_one.rs:26:14
    |
 LL |     for _ in 0..(1 + f()) {}
    |              ^^^^^^^^^^^^ help: use: `0..=f()`
 
 error: an exclusive range would be more readable
-  --> $DIR/range_plus_minus_one.rs:26:13
+  --> $DIR/range_plus_minus_one.rs:30:13
    |
 LL |     let _ = ..=11 - 1;
    |             ^^^^^^^^^ help: use: `..11`
@@ -33,19 +33,19 @@ LL |     let _ = ..=11 - 1;
    = note: `-D clippy::range-minus-one` implied by `-D warnings`
 
 error: an exclusive range would be more readable
-  --> $DIR/range_plus_minus_one.rs:27:13
+  --> $DIR/range_plus_minus_one.rs:31:13
    |
 LL |     let _ = ..=(11 - 1);
    |             ^^^^^^^^^^^ help: use: `..11`
 
 error: an inclusive range would be more readable
-  --> $DIR/range_plus_minus_one.rs:28:13
+  --> $DIR/range_plus_minus_one.rs:32:13
    |
 LL |     let _ = (1..11 + 1);
    |             ^^^^^^^^^^^ help: use: `(1..=11)`
 
 error: an inclusive range would be more readable
-  --> $DIR/range_plus_minus_one.rs:29:13
+  --> $DIR/range_plus_minus_one.rs:33:13
    |
 LL |     let _ = (f() + 1)..(f() + 1);
    |             ^^^^^^^^^^^^^^^^^^^^ help: use: `((f() + 1)..=f())`