1 files changed, 12 insertions, 0 deletions

diff --git a/tests/codegen-llvm/issues/issue-101048.rs b/tests/codegen-llvm/issues/issue-101048.rs
new file mode 100644
index 00000000000..cfe65e758fd
--- /dev/null
+++ b/tests/codegen-llvm/issues/issue-101048.rs
@@ -0,0 +1,12 @@
+//@ compile-flags: -Copt-level=3
+
+#![crate_type = "lib"]
+
+#[no_mangle]
+pub fn all_zero(data: &[u64]) -> bool {
+    // CHECK-LABEL: @all_zero(
+    // CHECK: [[PHI:%.*]] = phi i1
+    // CHECK-NOT: phi i8
+    // CHECK-NOT: zext
+    data.iter().copied().fold(true, |acc, x| acc & (x == 0))
+}