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| author | Esteban Küber <esteban@kuber.com.ar> | 2017-04-04 08:10:22 -0700 |
|---|---|---|
| committer | Esteban Küber <esteban@kuber.com.ar> | 2017-04-04 08:13:27 -0700 |
| commit | dedb7bbbbf272226f327b8cda8aaa12cf6325eca (patch) | |
| tree | 9c7c7b656750a53b5ca4f7646ee1dfe60829b271 /src/libsyntax_ext/deriving/clone.rs | |
| parent | b477682dca3343eb89a467f0d3c73986a53d49d9 (diff) | |
| parent | 5309a3e31d88def1f3ea966162ed4f81f161d500 (diff) | |
Merge branch 'master' into issue-32540
Diffstat (limited to 'src/libsyntax_ext/deriving/clone.rs')
| -rw-r--r-- | src/libsyntax_ext/deriving/clone.rs | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libsyntax_ext/deriving/clone.rs b/src/libsyntax_ext/deriving/clone.rs index d14b59d6c70..1993d6ebe5b 100644 --- a/src/libsyntax_ext/deriving/clone.rs +++ b/src/libsyntax_ext/deriving/clone.rs @@ -111,7 +111,7 @@ fn cs_clone_shallow(name: &str, ty: P<ast::Ty>, span: Span, helper_name: &str) { // Generate statement `let _: helper_name<ty>;`, // set the expn ID so we can use the unstable struct. - let span = super::allow_unstable(cx, span, "derive(Clone)"); + let span = Span { ctxt: cx.backtrace(), ..span}; let assert_path = cx.path_all(span, true, cx.std_path(&["clone", helper_name]), vec![], vec![ty], vec![]); |