1 files changed, 10 insertions, 0 deletions
diff --git a/tests/ui/macros/issue-102878.rs b/tests/ui/macros/issue-102878.rs
new file mode 100644
index 00000000000..aac5891939e
--- /dev/null
+++ b/tests/ui/macros/issue-102878.rs
@@ -0,0 +1,10 @@
+macro_rules!test{($l:expr,$_:r)=>({const:y y)}
+//~^ ERROR mismatched closing delimiter: `)`
+//~| ERROR invalid fragment specifier `r`
+//~| ERROR expected identifier, found keyword `const`
+//~| ERROR expected identifier, found keyword `const`
+//~| ERROR expected identifier, found `:`
+
+fn s(){test!(1,i)}
+
+fn main() {}