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-rw-r--r--src/libsyntax/ext/expand.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libsyntax/ext/expand.rs b/src/libsyntax/ext/expand.rs
index 94abc0b34bc..f13047d3725 100644
--- a/src/libsyntax/ext/expand.rs
+++ b/src/libsyntax/ext/expand.rs
@@ -1684,7 +1684,7 @@ mod test {
 
     fn expand_crate_str(crate_str: String) -> ast::Crate {
         let ps = parse::new_parse_sess();
-        let crate_ast = string_to_parser(&ps, crate_str).parse_crate_mod();
+        let crate_ast = panictry!(string_to_parser(&ps, crate_str).parse_crate_mod());
         // the cfg argument actually does matter, here...
         expand_crate(&ps,test_ecfg(),vec!(),vec!(),crate_ast)
     }