2 files changed, 33 insertions, 0 deletions
diff --git a/tests/ui/macros/rfc-3086-metavar-expr/issue-111904.rs b/tests/ui/macros/rfc-3086-metavar-expr/issue-111904.rs
new file mode 100644
index 000000000..9cc572c23
--- /dev/null
+++ b/tests/ui/macros/rfc-3086-metavar-expr/issue-111904.rs
@@ -0,0 +1,14 @@
+#![feature(macro_metavar_expr)]
+
+macro_rules! foo {
+    ( $( $($t:ident),* );* ) => { ${count(t,)} }
+    //~^ ERROR `count` followed by a comma must have an associated
+    //~| ERROR expected expression, found `$`
+}
+
+fn test() {
+    foo!(a, a; b, b);
+}
+
+fn main() {
+}
diff --git a/tests/ui/macros/rfc-3086-metavar-expr/issue-111904.stderr b/tests/ui/macros/rfc-3086-metavar-expr/issue-111904.stderr
new file mode 100644
index 000000000..e9317a5c3
--- /dev/null
+++ b/tests/ui/macros/rfc-3086-metavar-expr/issue-111904.stderr
@@ -0,0 +1,19 @@
+error: `count` followed by a comma must have an associated index indicating its depth
+  --> $DIR/issue-111904.rs:4:37
+   |
+LL |     ( $( $($t:ident),* );* ) => { ${count(t,)} }
+   |                                     ^^^^^
+
+error: expected expression, found `$`
+  --> $DIR/issue-111904.rs:4:35
+   |
+LL |     ( $( $($t:ident),* );* ) => { ${count(t,)} }
+   |                                   ^ expected expression
+...
+LL |     foo!(a, a; b, b);
+   |     ---------------- in this macro invocation
+   |
+   = note: this error originates in the macro `foo` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: aborting due to 2 previous errors
+