Make the parser more careful about keywords

Keywords are now only recognized in contexts where they are valid. The
lexer no longer recognizes them, all words are lexed as IDENT tokens,
that get interpreted by the parser.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/lib/std.rc b/src/lib/std.rc
index 5c0ea313ad4..6e2650e6b8a 100644
--- a/src/lib/std.rc
+++ b/src/lib/std.rc
@@ -51,7 +51,7 @@ alt (target_os) {
     } case ("macos") {
         mod os = "macos_os.rs";
         mod os_fs = "posix_fs.rs";
-    } else {
+    } case (_) {
         mod os = "linux_os.rs";
         mod os_fs = "posix_fs.rs";
     }