misc. copies in core/syntax to please borrowck

2 files changed, 4 insertions, 4 deletions

diff --git a/src/libsyntax/ext/qquote.rs b/src/libsyntax/ext/qquote.rs
index f3c7de97865..1a7ae69e79d 100644
--- a/src/libsyntax/ext/qquote.rs
+++ b/src/libsyntax/ext/qquote.rs
@@ -212,7 +212,7 @@ fn finish<T: qq_helper>
             state = skip(str::char_len(repl));
             str2 += repl;
         }
-        alt state {
+        alt copy state {
           active {str::push_char(str2, ch);}
           skip(1u) {state = blank;}
           skip(sk) {state = skip (sk-1u);}
diff --git a/src/libsyntax/parse/token.rs b/src/libsyntax/parse/token.rs
index cb92aad04c7..bbbd09632ef 100644
--- a/src/libsyntax/parse/token.rs
+++ b/src/libsyntax/parse/token.rs
@@ -184,16 +184,16 @@ fn is_lit(t: token::token) -> bool {
         }
 }
 
-fn is_ident(t: token::token) -> bool {
+pure fn is_ident(t: token::token) -> bool {
     alt t { token::IDENT(_, _) { ret true; } _ { } }
     ret false;
 }
 
-fn is_plain_ident(t: token::token) -> bool {
+pure fn is_plain_ident(t: token::token) -> bool {
     ret alt t { token::IDENT(_, false) { true } _ { false } };
 }
 
-fn is_bar(t: token::token) -> bool {
+pure fn is_bar(t: token::token) -> bool {
     alt t { token::BINOP(token::OR) | token::OROR { true } _ { false } }
 }