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diff --git a/src/test/ui/proc-macro/issue-76270-panic-in-libproc-macro.rs b/src/test/ui/proc-macro/issue-76270-panic-in-libproc-macro.rs
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index 000000000..98fa06b6e
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+++ b/src/test/ui/proc-macro/issue-76270-panic-in-libproc-macro.rs
@@ -0,0 +1,12 @@
+// aux-build:proc-macro-panic.rs
+// edition:2018
+
+// Regression test for issue #76270
+// Tests that we don't print an ICE message when a panic
+// occurs in libproc-macro (when `-Z proc-macro-backtrace` is not specified)
+
+extern crate proc_macro_panic;
+
+proc_macro_panic::panic_in_libproc_macro!(); //~ ERROR proc macro panicked
+
+fn main() {}