recover wrong-cased `use`s (`Use`, `USE`, etc)

3 files changed, 28 insertions, 0 deletions

diff --git a/src/test/ui/parser/item-kw-case-mismatch.fixed b/src/test/ui/parser/item-kw-case-mismatch.fixed
new file mode 100644
index 00000000000..d99f89ccef5
--- /dev/null
+++ b/src/test/ui/parser/item-kw-case-mismatch.fixed
@@ -0,0 +1,7 @@
+// run-rustfix
+#![allow(unused_imports)]
+
+fn main() {}
+
+use std::ptr::read;  //~ ERROR keyword `use` is written in a wrong case
+use std::ptr::write; //~ ERROR keyword `use` is written in a wrong case
diff --git a/src/test/ui/parser/item-kw-case-mismatch.rs b/src/test/ui/parser/item-kw-case-mismatch.rs
new file mode 100644
index 00000000000..605552b5f14
--- /dev/null
+++ b/src/test/ui/parser/item-kw-case-mismatch.rs
@@ -0,0 +1,7 @@
+// run-rustfix
+#![allow(unused_imports)]
+
+fn main() {}
+
+Use std::ptr::read;  //~ ERROR keyword `use` is written in a wrong case
+USE std::ptr::write; //~ ERROR keyword `use` is written in a wrong case
diff --git a/src/test/ui/parser/item-kw-case-mismatch.stderr b/src/test/ui/parser/item-kw-case-mismatch.stderr
new file mode 100644
index 00000000000..aebbc9d558f
--- /dev/null
+++ b/src/test/ui/parser/item-kw-case-mismatch.stderr
@@ -0,0 +1,14 @@
+error: keyword `use` is written in a wrong case
+  --> $DIR/item-kw-case-mismatch.rs:6:1
+   |
+LL | Use std::ptr::read;
+   | ^^^ help: write it in the correct case (notice the capitalization): `use`
+
+error: keyword `use` is written in a wrong case
+  --> $DIR/item-kw-case-mismatch.rs:7:1
+   |
+LL | USE std::ptr::write;
+   | ^^^ help: write it in the correct case: `use`
+
+error: aborting due to 2 previous errors
+