diff options
Diffstat (limited to 'src/test/mir-opt/remove_zsts_dont_touch_unions.rs')
-rw-r--r-- | src/test/mir-opt/remove_zsts_dont_touch_unions.rs | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/test/mir-opt/remove_zsts_dont_touch_unions.rs b/src/test/mir-opt/remove_zsts_dont_touch_unions.rs new file mode 100644 index 000000000..7a6f86b80 --- /dev/null +++ b/src/test/mir-opt/remove_zsts_dont_touch_unions.rs @@ -0,0 +1,19 @@ +// compile-flags: -Zmir-opt-level=3 + +// Ensure RemoveZsts doesn't remove ZST assignments to union fields, +// which causes problems in Miri. + +union Foo { + x: (), + y: u64, +} + +// EMIT_MIR remove_zsts_dont_touch_unions.get_union.RemoveZsts.after.mir +fn get_union() -> Foo { + Foo { x: () } +} + + +fn main() { + get_union(); +} |