1 files changed, 78 insertions, 0 deletions
diff --git a/src/test/ui/rfc-2632-const-trait-impl/const-drop-fail.precise.stderr b/src/test/ui/rfc-2632-const-trait-impl/const-drop-fail.precise.stderr
new file mode 100644
index 000000000..9dbaffd4c
--- /dev/null
+++ b/src/test/ui/rfc-2632-const-trait-impl/const-drop-fail.precise.stderr
@@ -0,0 +1,78 @@
+error[E0277]: can't drop `NonTrivialDrop` in const contexts
+  --> $DIR/const-drop-fail.rs:43:5
+   |
+LL |         const _: () = check($exp);
+   |                       ----- required by a bound introduced by this call
+...
+LL |     NonTrivialDrop,
+   |     ^^^^^^^^^^^^^^ expected an implementor of trait `~const Destruct`
+   |
+   = note: the trait bound `NonTrivialDrop: ~const Destruct` is not satisfied
+note: required by a bound in `check`
+  --> $DIR/const-drop-fail.rs:34:19
+   |
+LL | const fn check<T: ~const Destruct>(_: T) {}
+   |                   ^^^^^^^^^^^^^^^ required by this bound in `check`
+help: consider borrowing here
+   |
+LL |     &NonTrivialDrop,
+   |     +
+LL |     &mut NonTrivialDrop,
+   |     ++++
+
+error[E0277]: can't drop `NonTrivialDrop` in const contexts
+  --> $DIR/const-drop-fail.rs:45:5
+   |
+LL |         const _: () = check($exp);
+   |                       ----- required by a bound introduced by this call
+...
+LL |     ConstImplWithDropGlue(NonTrivialDrop),
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ within `ConstImplWithDropGlue`, the trait `~const Destruct` is not implemented for `NonTrivialDrop`
+   |
+note: the trait `Destruct` is implemented for `NonTrivialDrop`, but that implementation is not `const`
+  --> $DIR/const-drop-fail.rs:45:5
+   |
+LL |     ConstImplWithDropGlue(NonTrivialDrop),
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+note: required because it appears within the type `ConstImplWithDropGlue`
+  --> $DIR/const-drop-fail.rs:16:8
+   |
+LL | struct ConstImplWithDropGlue(NonTrivialDrop);
+   |        ^^^^^^^^^^^^^^^^^^^^^
+note: required by a bound in `check`
+  --> $DIR/const-drop-fail.rs:34:19
+   |
+LL | const fn check<T: ~const Destruct>(_: T) {}
+   |                   ^^^^^^^^^^^^^^^ required by this bound in `check`
+
+error[E0277]: the trait bound `ConstDropImplWithBounds<NonTrivialDrop>: ~const Destruct` is not satisfied
+  --> $DIR/const-drop-fail.rs:47:5
+   |
+LL |         const _: () = check($exp);
+   |                       ----- required by a bound introduced by this call
+...
+LL |     ConstDropImplWithBounds::<NonTrivialDrop>(PhantomData),
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected an implementor of trait `~const Destruct`
+   |
+note: required because of the requirements on the impl of `~const Destruct` for `ConstDropImplWithBounds<NonTrivialDrop>`
+  --> $DIR/const-drop-fail.rs:28:25
+   |
+LL | impl<T: ~const A> const Drop for ConstDropImplWithBounds<T> {
+   |                         ^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^
+   = note: 1 redundant requirement hidden
+   = note: required because of the requirements on the impl of `~const Destruct` for `ConstDropImplWithBounds<NonTrivialDrop>`
+note: required by a bound in `check`
+  --> $DIR/const-drop-fail.rs:34:19
+   |
+LL | const fn check<T: ~const Destruct>(_: T) {}
+   |                   ^^^^^^^^^^^^^^^ required by this bound in `check`
+help: consider borrowing here
+   |
+LL |     &ConstDropImplWithBounds::<NonTrivialDrop>(PhantomData),
+   |     +
+LL |     &mut ConstDropImplWithBounds::<NonTrivialDrop>(PhantomData),
+   |     ++++
+
+error: aborting due to 3 previous errors
+
+For more information about this error, try `rustc --explain E0277`.