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-rw-r--r--tests/ui/layout/enum.rs18
1 files changed, 18 insertions, 0 deletions
diff --git a/tests/ui/layout/enum.rs b/tests/ui/layout/enum.rs
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+// normalize-stderr-test "pref: Align\([1-8] bytes\)" -> "pref: $$PREF_ALIGN"
+//! Various enum layout tests.
+
+#![feature(rustc_attrs)]
+#![feature(never_type)]
+#![crate_type = "lib"]
+
+#[rustc_layout(align)]
+enum UninhabitedVariantAlign { //~ERROR: abi: Align(2 bytes)
+ A([u8; 32]),
+ B([u16; 0], !), // make sure alignment in uninhabited fields is respected
+}
+
+#[rustc_layout(size)]
+enum UninhabitedVariantSpace { //~ERROR: size: Size(16 bytes)
+ A,
+ B([u8; 15], !), // make sure there is space being reserved for this field.
+}