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-rw-r--r--src/test/ui/stability-attribute/accidental-stable-in-unstable.rs10
1 files changed, 10 insertions, 0 deletions
diff --git a/src/test/ui/stability-attribute/accidental-stable-in-unstable.rs b/src/test/ui/stability-attribute/accidental-stable-in-unstable.rs
new file mode 100644
index 000000000..f8bbe90cf
--- /dev/null
+++ b/src/test/ui/stability-attribute/accidental-stable-in-unstable.rs
@@ -0,0 +1,10 @@
+#![crate_type = "lib"]
+extern crate core;
+
+// Known accidental stabilizations with no known users, slated for un-stabilization
+// fully stable @ core::char::UNICODE_VERSION
+use core::unicode::UNICODE_VERSION; //~ ERROR use of unstable library feature 'unicode_internals'
+
+// Known accidental stabilizations with known users
+// fully stable @ core::mem::transmute
+use core::intrinsics::transmute; // depended upon by rand_core