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authorAlbert Larsan <74931857+albertlarsan68@users.noreply.github.com>2023-01-05 09:13:28 +0100
committerAlbert Larsan <74931857+albertlarsan68@users.noreply.github.com>2023-01-11 09:32:08 +0000
commitcf2dff2b1e3fa55fa5415d524200070d0d7aacfe (patch)
tree40a88d9a46aaf3e8870676eb2538378b75a263eb /tests/ui/borrowck/reassignment_immutable_fields_overlapping.rs
parentca855e6e42787ecd062d81d53336fe6788ef51a9 (diff)
downloadrust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.tar.gz
Move /src/test to /tests
Diffstat (limited to 'tests/ui/borrowck/reassignment_immutable_fields_overlapping.rs')
-rw-r--r--tests/ui/borrowck/reassignment_immutable_fields_overlapping.rs16
1 files changed, 16 insertions, 0 deletions
diff --git a/tests/ui/borrowck/reassignment_immutable_fields_overlapping.rs b/tests/ui/borrowck/reassignment_immutable_fields_overlapping.rs
new file mode 100644
index 00000000000..d7aad6c01bd
--- /dev/null
+++ b/tests/ui/borrowck/reassignment_immutable_fields_overlapping.rs
@@ -0,0 +1,16 @@
+// This should never be allowed -- `foo.a` and `foo.b` are
+// overlapping, so since `x` is not `mut` we should not permit
+// reassignment.
+
+union Foo {
+ a: u32,
+ b: u32,
+}
+
+unsafe fn overlapping_fields() {
+ let x: Foo;
+ x.a = 1; //~ ERROR
+ x.b = 22; //~ ERROR
+}
+
+fn main() { }