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-rw-r--r--tests/ui/tool-attributes/nested-disallowed.rs4
1 files changed, 4 insertions, 0 deletions
diff --git a/tests/ui/tool-attributes/nested-disallowed.rs b/tests/ui/tool-attributes/nested-disallowed.rs
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index 00000000000..8e780427761
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+++ b/tests/ui/tool-attributes/nested-disallowed.rs
@@ -0,0 +1,4 @@
+#![feature(register_tool)]
+#![register_tool(foo::bar)] //~ ERROR only accepts identifiers
+
+fn main() {}