1 files changed, 90 insertions, 0 deletions
diff --git a/src/test/ui/repr/repr-transparent.stderr b/src/test/ui/repr/repr-transparent.stderr
new file mode 100644
index 000000000..f1c570b95
--- /dev/null
+++ b/src/test/ui/repr/repr-transparent.stderr
@@ -0,0 +1,90 @@
+error[E0690]: transparent struct needs at most one non-zero-sized field, but has 2
+  --> $DIR/repr-transparent.rs:26:1
+   |
+LL | struct MultipleNonZst(u8, u8);
+   | ^^^^^^^^^^^^^^^^^^^^^ --  -- this field is non-zero-sized
+   | |                     |
+   | |                     this field is non-zero-sized
+   | needs at most one non-zero-sized field, but has 2
+
+error[E0690]: transparent struct needs at most one non-zero-sized field, but has 2
+  --> $DIR/repr-transparent.rs:32:1
+   |
+LL | pub struct StructWithProjection(f32, <f32 as Mirror>::It);
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ---  ------------------- this field is non-zero-sized
+   | |                               |
+   | |                               this field is non-zero-sized
+   | needs at most one non-zero-sized field, but has 2
+
+error[E0691]: zero-sized field in transparent struct has alignment larger than 1
+  --> $DIR/repr-transparent.rs:36:32
+   |
+LL | struct NontrivialAlignZst(u32, [u16; 0]);
+   |                                ^^^^^^^^ has alignment larger than 1
+
+error[E0691]: zero-sized field in transparent struct has alignment larger than 1
+  --> $DIR/repr-transparent.rs:42:24
+   |
+LL | struct GenericAlign<T>(ZstAlign32<T>, u32);
+   |                        ^^^^^^^^^^^^^ has alignment larger than 1
+
+error[E0084]: unsupported representation for zero-variant enum
+  --> $DIR/repr-transparent.rs:44:1
+   |
+LL | #[repr(transparent)]
+   | ^^^^^^^^^^^^^^^^^^^^
+LL | enum Void {}
+   | --------- zero-variant enum
+
+error[E0731]: transparent enum needs exactly one variant, but has 0
+  --> $DIR/repr-transparent.rs:45:1
+   |
+LL | enum Void {}
+   | ^^^^^^^^^ needs exactly one variant, but has 0
+
+error[E0690]: the variant of a transparent enum needs at most one non-zero-sized field, but has 2
+  --> $DIR/repr-transparent.rs:58:1
+   |
+LL | enum TooManyFieldsEnum {
+   | ^^^^^^^^^^^^^^^^^^^^^^ needs at most one non-zero-sized field, but has 2
+LL |     Foo(u32, String),
+   |         ---  ------ this field is non-zero-sized
+   |         |
+   |         this field is non-zero-sized
+
+error[E0731]: transparent enum needs exactly one variant, but has 2
+  --> $DIR/repr-transparent.rs:64:1
+   |
+LL | enum MultipleVariants {
+   | ^^^^^^^^^^^^^^^^^^^^^ needs exactly one variant, but has 2
+LL |     Foo(String),
+   |     ---
+LL |     Bar,
+   |     --- too many variants in `MultipleVariants`
+
+error[E0691]: zero-sized field in transparent enum has alignment larger than 1
+  --> $DIR/repr-transparent.rs:71:14
+   |
+LL |     Foo(u32, [u16; 0]),
+   |              ^^^^^^^^ has alignment larger than 1
+
+error[E0691]: zero-sized field in transparent enum has alignment larger than 1
+  --> $DIR/repr-transparent.rs:76:11
+   |
+LL |     Foo { bar: ZstAlign32<T>, baz: u32 }
+   |           ^^^^^^^^^^^^^^^^^^ has alignment larger than 1
+
+error[E0690]: transparent union needs at most one non-zero-sized field, but has 2
+  --> $DIR/repr-transparent.rs:85:1
+   |
+LL | union TooManyFields {
+   | ^^^^^^^^^^^^^^^^^^^ needs at most one non-zero-sized field, but has 2
+LL |     u: u32,
+   |     ------ this field is non-zero-sized
+LL |     s: i32
+   |     ------ this field is non-zero-sized
+
+error: aborting due to 11 previous errors
+
+Some errors have detailed explanations: E0084, E0690, E0691, E0731.
+For more information about an error, try `rustc --explain E0084`.