Moved new dropck-eyepatch compile-fail tests to the `ui/` subtree.

src/test/ui/dropck/auxiliary/dropck_eyepatch_extern_crate.rs

@@ -11,14 +11,16 @@
 #![feature(generic_param_attrs)]
 #![feature(dropck_eyepatch)]
 
+// This is a support file for ../dropck-eyepatch-extern-crate.rs
+//
 // The point of this test is to illustrate that the `#[may_dangle]`
 // attribute specifically allows, in the context of a type
 // implementing `Drop`, a generic parameter to be instantiated with a
 // lifetime that does not strictly outlive the owning type itself,
-// and that this attributes effects are preserved when importing
+// and that this attribute's effects are preserved when importing
 // the type from another crate.
 //
-// See also dropck-eyepatch.rs for more information about the general
+// See also ../dropck-eyepatch.rs for more information about the general
 // structure of the test.
 
 use std::fmt;

src/test/ui/dropck/dropck-eyepatch-extern-crate.rs

@@ -10,6 +10,16 @@
 
 // aux-build:dropck_eyepatch_extern_crate.rs
 
+// The point of this test is to illustrate that the `#[may_dangle]`
+// attribute specifically allows, in the context of a type
+// implementing `Drop`, a generic parameter to be instantiated with a
+// lifetime that does not strictly outlive the owning type itself,
+// and that this attribute's effects are preserved when importing
+// the type from another crate.
+//
+// See also dropck-eyepatch.rs for more information about the general
+// structure of the test.
+
 extern crate dropck_eyepatch_extern_crate as other;
 
 use other::{Dt,Dr,Pt,Pr,St,Sr};

src/test/ui/dropck/dropck-eyepatch-extern-crate.stderr

@@ -0,0 +1,46 @@
+error: `c` does not live long enough
+  --> $DIR/dropck-eyepatch-extern-crate.rs:39:20
+   |
+39 |     dt = Dt("dt", &c); //~ ERROR `c` does not live long enough
+   |                    ^ does not live long enough
+...
+55 | }
+   | - borrowed value dropped before borrower
+   |
+   = note: values in a scope are dropped in the opposite order they are created
+
+error: `c` does not live long enough
+  --> $DIR/dropck-eyepatch-extern-crate.rs:40:20
+   |
+40 |     dr = Dr("dr", &c); //~ ERROR `c` does not live long enough
+   |                    ^ does not live long enough
+...
+55 | }
+   | - borrowed value dropped before borrower
+   |
+   = note: values in a scope are dropped in the opposite order they are created
+
+error: `c` does not live long enough
+  --> $DIR/dropck-eyepatch-extern-crate.rs:47:29
+   |
+47 |     pt = Pt("pt", &c_long, &c); //~ ERROR `c` does not live long enough
+   |                             ^ does not live long enough
+...
+55 | }
+   | - borrowed value dropped before borrower
+   |
+   = note: values in a scope are dropped in the opposite order they are created
+
+error: `c` does not live long enough
+  --> $DIR/dropck-eyepatch-extern-crate.rs:48:29
+   |
+48 |     pr = Pr("pr", &c_long, &c); //~ ERROR `c` does not live long enough
+   |                             ^ does not live long enough
+...
+55 | }
+   | - borrowed value dropped before borrower
+   |
+   = note: values in a scope are dropped in the opposite order they are created
+
+error: aborting due to 4 previous errors
+

src/test/ui/dropck/dropck-eyepatch-implies-unsafe-impl.stderr

@@ -0,0 +1,14 @@
+error[E0569]: requires an `unsafe impl` declaration due to `#[may_dangle]` attribute
+  --> $DIR/dropck-eyepatch-implies-unsafe-impl.rs:32:1
+   |
+32 | impl<#[may_dangle] A, B: fmt::Debug> Drop for Pt<A, B> {
+   | ^
+
+error[E0569]: requires an `unsafe impl` declaration due to `#[may_dangle]` attribute
+  --> $DIR/dropck-eyepatch-implies-unsafe-impl.rs:38:1
+   |
+38 | impl<#[may_dangle] 'a, 'b, B: fmt::Debug> Drop for Pr<'a, 'b, B> {
+   | ^
+
+error: aborting due to 2 previous errors
+

src/test/ui/dropck/dropck-eyepatch-reorder.stderr

@@ -0,0 +1,46 @@
+error: `c` does not live long enough
+  --> $DIR/dropck-eyepatch-reorder.rs:57:20
+   |
+57 |     dt = Dt("dt", &c); //~ ERROR `c` does not live long enough
+   |                    ^ does not live long enough
+...
+73 | }
+   | - borrowed value dropped before borrower
+   |
+   = note: values in a scope are dropped in the opposite order they are created
+
+error: `c` does not live long enough
+  --> $DIR/dropck-eyepatch-reorder.rs:58:20
+   |
+58 |     dr = Dr("dr", &c); //~ ERROR `c` does not live long enough
+   |                    ^ does not live long enough
+...
+73 | }
+   | - borrowed value dropped before borrower
+   |
+   = note: values in a scope are dropped in the opposite order they are created
+
+error: `c` does not live long enough
+  --> $DIR/dropck-eyepatch-reorder.rs:65:29
+   |
+65 |     pt = Pt("pt", &c_long, &c); //~ ERROR `c` does not live long enough
+   |                             ^ does not live long enough
+...
+73 | }
+   | - borrowed value dropped before borrower
+   |
+   = note: values in a scope are dropped in the opposite order they are created
+
+error: `c` does not live long enough
+  --> $DIR/dropck-eyepatch-reorder.rs:66:29
+   |
+66 |     pr = Pr("pr", &c_long, &c); //~ ERROR `c` does not live long enough
+   |                             ^ does not live long enough
+...
+73 | }
+   | - borrowed value dropped before borrower
+   |
+   = note: values in a scope are dropped in the opposite order they are created
+
+error: aborting due to 4 previous errors
+

src/test/ui/dropck/dropck-eyepatch.stderr

@@ -0,0 +1,46 @@
+error: `c` does not live long enough
+  --> $DIR/dropck-eyepatch.rs:80:20
+   |
+80 |     dt = Dt("dt", &c); //~ ERROR `c` does not live long enough
+   |                    ^ does not live long enough
+...
+96 | }
+   | - borrowed value dropped before borrower
+   |
+   = note: values in a scope are dropped in the opposite order they are created
+
+error: `c` does not live long enough
+  --> $DIR/dropck-eyepatch.rs:81:20
+   |
+81 |     dr = Dr("dr", &c); //~ ERROR `c` does not live long enough
+   |                    ^ does not live long enough
+...
+96 | }
+   | - borrowed value dropped before borrower
+   |
+   = note: values in a scope are dropped in the opposite order they are created
+
+error: `c` does not live long enough
+  --> $DIR/dropck-eyepatch.rs:88:29
+   |
+88 |     pt = Pt("pt", &c_long, &c); //~ ERROR `c` does not live long enough
+   |                             ^ does not live long enough
+...
+96 | }
+   | - borrowed value dropped before borrower
+   |
+   = note: values in a scope are dropped in the opposite order they are created
+
+error: `c` does not live long enough
+  --> $DIR/dropck-eyepatch.rs:89:29
+   |
+89 |     pr = Pr("pr", &c_long, &c); //~ ERROR `c` does not live long enough
+   |                             ^ does not live long enough
+...
+96 | }
+   | - borrowed value dropped before borrower
+   |
+   = note: values in a scope are dropped in the opposite order they are created
+
+error: aborting due to 4 previous errors
+