1 files changed, 20 insertions, 0 deletions
diff --git a/src/test/ui/fmt/format-args-capture-missing-variables.rs b/src/test/ui/fmt/format-args-capture-missing-variables.rs
new file mode 100644
index 000000000..46fc083cb
--- /dev/null
+++ b/src/test/ui/fmt/format-args-capture-missing-variables.rs
@@ -0,0 +1,20 @@
+fn main() {
+    format!("{} {foo} {} {bar} {}", 1, 2, 3);
+    //~^ ERROR: cannot find value `foo` in this scope
+    //~^^ ERROR: cannot find value `bar` in this scope
+
+    format!("{foo}"); //~ ERROR: cannot find value `foo` in this scope
+
+    format!("{valuea} {valueb}", valuea=5, valuec=7);
+    //~^ ERROR cannot find value `valueb` in this scope
+    //~^^ ERROR named argument never used
+
+    format!(r##"
+
+        {foo}
+
+    "##);
+    //~^^^ ERROR: cannot find value `foo` in this scope
+
+    panic!("{foo} {bar}", bar=1); //~ ERROR: cannot find value `foo` in this scope
+}