Vendor dependencies for 0.3.0 release

vendor/zerocopy/tests/ui-nightly/ptr-is-invariant-over-v.rs

@@ -0,0 +1,20 @@
+use zerocopy::pointer::{
+    invariant::{Aligned, Exclusive, Shared, Valid},
+    Ptr,
+};
+
+fn _when_exclusive<'big: 'small, 'small>(
+    big: Ptr<'small, &'big u32, (Exclusive, Aligned, Valid)>,
+    mut _small: Ptr<'small, &'small u32, (Exclusive, Aligned, Valid)>,
+) {
+    _small = big;
+}
+
+fn _when_shared<'big: 'small, 'small>(
+    big: Ptr<'small, &'big u32, (Shared, Aligned, Valid)>,
+    mut _small: Ptr<'small, &'small u32, (Shared, Aligned, Valid)>,
+) {
+    _small = big;
+}
+
+fn main() {}