1 files changed, 10 insertions, 0 deletions
diff --git a/tests/ui/fmt/format-args-capture-issue-106408.rs b/tests/ui/fmt/format-args-capture-issue-106408.rs
new file mode 100644
index 000000000..0fd195416
--- /dev/null
+++ b/tests/ui/fmt/format-args-capture-issue-106408.rs
@@ -0,0 +1,10 @@
+// check-pass
+// aux-build:format-string-proc-macro.rs
+
+extern crate format_string_proc_macro;
+
+fn main() {
+    // While literal macros like `format_args!(concat!())` are not supposed to work with implicit
+    // captures, it should work if the whole invocation comes from a macro expansion (#106408).
+    format_string_proc_macro::format_args_captures!();
+}