Fix the issue of wrong diagnosis for extern pub fn

2 files changed, 20 insertions, 0 deletions

diff --git a/tests/ui/parser/issue-113342.rs b/tests/ui/parser/issue-113342.rs
new file mode 100644
index 00000000000..18b502736f7
--- /dev/null
+++ b/tests/ui/parser/issue-113342.rs
@@ -0,0 +1,9 @@
+#[link(name = "my_c_library")]
+extern "C" {
+    fn my_c_function(x: i32) -> bool;
+}
+
+#[no_mangle]
+extern "C" pub fn id(x: i32) -> i32 { x } //~ ERROR expected `fn`, found keyword `pub`
+
+fn main() {}
diff --git a/tests/ui/parser/issue-113342.stderr b/tests/ui/parser/issue-113342.stderr
new file mode 100644
index 00000000000..a0c5e665ff8
--- /dev/null
+++ b/tests/ui/parser/issue-113342.stderr
@@ -0,0 +1,11 @@
+error: expected `fn`, found keyword `pub`
+  --> $DIR/issue-113342.rs:7:12
+   |
+LL | extern "C" pub fn id(x: i32) -> i32 { x }
+   | -----------^^^
+   | |          |
+   | |          expected `fn`
+   | help: visibility `pub` must come before `extern "C"`: `pub extern "C"`
+
+error: aborting due to previous error
+