Auto merge of #31077 - nagisa:mir-temp-promotion, r=dotdash

[rust.git] / src / librustc / middle / recursion_limit.rs

diff --git a/src/librustc/middle/recursion_limit.rs b/src/librustc/middle/recursion_limit.rs
index 81cbdf13c518925c60ef57b9b1d260a42fb8b870..7dcd358165c9248d88c7dbe3238b4797906465b4 100644 (file)
--- a/src/librustc/middle/recursion_limit.rs
+++ b/src/librustc/middle/recursion_limit.rs
@@ -18,16 +18,15 @@
 use session::Session;
 use syntax::ast;
 use syntax::attr::AttrMetaMethods;
-use std::str::FromStr;
 
 pub fn update_recursion_limit(sess: &Session, krate: &ast::Crate) {
-    for attr in krate.attrs.iter() {
+    for attr in &krate.attrs {
         if !attr.check_name("recursion_limit") {
             continue;
         }
 
         if let Some(s) = attr.value_str() {
-            if let Some(n) = FromStr::from_str(s.get()) {
+            if let Some(n) = s.parse().ok() {
                 sess.recursion_limit.set(n);
                 return;
             }