in which leading zeroes on tuple-struct accesses are abjured

Resolves #47073.

2 files changed, 36 insertions, 0 deletions

diff --git a/src/test/ui/issue-47073-zero-padded-tuple-struct-indices.rs b/src/test/ui/issue-47073-zero-padded-tuple-struct-indices.rs
new file mode 100644
index 00000000000..e339716289c
--- /dev/null
+++ b/src/test/ui/issue-47073-zero-padded-tuple-struct-indices.rs
@@ -0,0 +1,22 @@
+// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+type Guilty = bool;
+type FineDollars = u32;
+
+struct Verdict(Guilty, Option<FineDollars>);
+
+fn main() {
+    let justice = Verdict(true, Some(2718));
+    let _condemned = justice.00;
+    //~^ ERROR invalid tuple or struct index
+    let _punishment = justice.001;
+    //~^ ERROR invalid tuple or struct index
+}
diff --git a/src/test/ui/issue-47073-zero-padded-tuple-struct-indices.stderr b/src/test/ui/issue-47073-zero-padded-tuple-struct-indices.stderr
new file mode 100644
index 00000000000..24b3c263b63
--- /dev/null
+++ b/src/test/ui/issue-47073-zero-padded-tuple-struct-indices.stderr
@@ -0,0 +1,14 @@
+error: invalid tuple or struct index
+  --> $DIR/issue-47073-zero-padded-tuple-struct-indices.rs:18:30
+   |
+18 |     let _condemned = justice.00;
+   |                              ^^ help: try simplifying the index: `0`
+
+error: invalid tuple or struct index
+  --> $DIR/issue-47073-zero-padded-tuple-struct-indices.rs:20:31
+   |
+20 |     let _punishment = justice.001;
+   |                               ^^^ help: try simplifying the index: `1`
+
+error: aborting due to 2 previous errors
+