New return types for str::escape_* that impl Display and Iterator<char>

As FCP’ed in the tracking issue: https://github.com/rust-lang/rust/issues/27791#issuecomment-376864727

2 files changed, 2 insertions, 2 deletions

diff --git a/src/libsyntax/attr/mod.rs b/src/libsyntax/attr/mod.rs
index 0c3aedae715..6c3f6c173ed 100644
--- a/src/libsyntax/attr/mod.rs
+++ b/src/libsyntax/attr/mod.rs
@@ -634,7 +634,7 @@ impl LitKind {
 
         match *self {
             LitKind::Str(string, ast::StrStyle::Cooked) => {
-                let escaped = string.as_str().escape_default();
+                let escaped = string.as_str().escape_default().to_string();
                 Token::Literal(token::Lit::Str_(Symbol::intern(&escaped)), None)
             }
             LitKind::Str(string, ast::StrStyle::Raw(n)) => {
diff --git a/src/libsyntax/print/pprust.rs b/src/libsyntax/print/pprust.rs
index c670f47b597..cdf805176a2 100644
--- a/src/libsyntax/print/pprust.rs
+++ b/src/libsyntax/print/pprust.rs
@@ -606,7 +606,7 @@ pub trait PrintState<'a> {
         match lit.node {
             ast::LitKind::Str(st, style) => self.print_string(&st.as_str(), style),
             ast::LitKind::Err(st) => {
-                let st = st.as_str().escape_debug();
+                let st = st.as_str().escape_debug().to_string();
                 let mut res = String::with_capacity(st.len() + 2);
                 res.push('\'');
                 res.push_str(&st);