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-rw-r--r--src/test/run-fail/overflowing-neg.rs4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/test/run-fail/overflowing-neg.rs b/src/test/run-fail/overflowing-neg.rs
index 7891d1ce9be..2d9d746bef3 100644
--- a/src/test/run-fail/overflowing-neg.rs
+++ b/src/test/run-fail/overflowing-neg.rs
@@ -8,9 +8,13 @@
// option. This file may not be copied, modified, or distributed
// except according to those terms.
+// ignore-pretty : (#23623) problems when ending with // comments
+
// error-pattern:thread '<main>' panicked at 'attempted to negate with overflow'
// compile-flags: -C debug-assertions
+#![feature(rustc_attrs)]
+#[rustc_no_mir] // FIXME #29769 MIR overflow checking is TBD.
fn main() {
let _x = -std::i8::MIN;
}