Regression test.

Author: pnkfelix

src/test/compile-fail/issue-22932.rs

@@ -0,0 +1,51 @@
+// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+// Issue 22932: `panic!("{}");` should not compile.
+
+pub fn f1() { panic!("this does not work {}");
+              //~^ ERROR panic! input cannot be format string literal
+}
+
+pub fn workaround_1() {
+    panic!(("This *does* works {}"));
+}
+
+pub fn workaround_2() {
+    const MSG: &'static str = "This *does* work {}";
+    panic!(MSG);
+}
+
+pub fn f2() { panic!("this does not work {");
+              //~^ ERROR panic! input cannot be format string literal
+}
+
+pub fn f3() { panic!("nor this }");
+              //~^ ERROR panic! input cannot be format string literal
+}
+
+pub fn f4() { panic!("nor this {{");
+              //~^ ERROR panic! input cannot be format string literal
+}
+
+pub fn f5() { panic!("nor this }}");
+              //~^ ERROR panic! input cannot be format string literal
+}
+
+pub fn f0_a() {
+    ensure_not_fmt_string_literal!("`f0_a`", "this does not work {}");
+    //~^ ERROR `f0_a` input cannot be format string literal
+}
+
+pub fn f0_b() {
+    println!(ensure_not_fmt_string_literal!("`f0_b`", "this does work"));
+}
+
+pub fn main() {}