From 57cf7a2e5728e5b4d77230ffb1e372385f4f24dd Mon Sep 17 00:00:00 2001
From: Mark Rousskov <mark.simulacrum@gmail.com>
Date: Sun, 7 Jul 2019 10:38:09 -0400
Subject: [PATCH] Simplify print_end

Presumably the code was from an older age of Rust and can now be written
much simpler.
---
 src/libsyntax/print/pp.rs | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/src/libsyntax/print/pp.rs b/src/libsyntax/print/pp.rs
index bff291348d7..602a39a1962 100644
--- a/src/libsyntax/print/pp.rs
+++ b/src/libsyntax/print/pp.rs
@@ -521,9 +521,7 @@ impl Printer {
 
     fn print_end(&mut self) {
         debug!("print End -> pop End");
-        let print_stack = &mut self.print_stack;
-        assert!(!print_stack.is_empty());
-        print_stack.pop().unwrap();
+        self.print_stack.pop().unwrap();
     }
 
     fn print_break(&mut self, b: BreakToken, l: isize) {