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-rw-r--r--src/test/codegen/vec-clear.rs6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/test/codegen/vec-clear.rs b/src/test/codegen/vec-clear.rs
index b9ffce8b0cb..22e1248907a 100644
--- a/src/test/codegen/vec-clear.rs
+++ b/src/test/codegen/vec-clear.rs
@@ -1,3 +1,9 @@
+// ignore-test
+
+// FIXME:
+// LLVM can't optimize some loops with unknown number of iterations because of
+// @llvm.sideeffect() (see also #59546)
+
 // ignore-debug: the debug assertions get in the way
 // compile-flags: -O