Add more tests

src/test/ui/coherence/impl-foreign[foreign]-for-foreign.rs

@@ -0,0 +1,16 @@
+#![feature(re_rebalance_coherence)]
+
+// compile-flags:--crate-name=test
+// aux-build:coherence_lib.rs
+
+extern crate coherence_lib as lib;
+use lib::*;
+use std::rc::Rc;
+
+struct Local;
+
+impl Remote1<u32> for f64 {
+    //~^ ERROR only traits defined in the current crate can be implemented for arbitrary types [E0117]
+}
+
+fn main() {}

src/test/ui/coherence/impl-foreign[foreign]-for-foreign.stderr

@@ -0,0 +1,12 @@
+error[E0117]: only traits defined in the current crate can be implemented for arbitrary types
+  --> $DIR/impl-foreign[foreign]-for-foreign.rs:12:1
+   |
+LL | impl Remote1<u32> for f64 {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
+   |
+   = note: the impl does not reference only types defined in this crate
+   = note: define and implement a trait or new type instead
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0117`.

src/test/ui/coherence/impl-foreign[foreign]-for-local.rs

@@ -0,0 +1,16 @@
+#![feature(re_rebalance_coherence)]
+
+// compile-flags:--crate-name=test
+// aux-build:coherence_lib.rs
+// check-pass
+
+extern crate coherence_lib as lib;
+use lib::*;
+use std::rc::Rc;
+
+struct Local;
+
+impl Remote1<u32> for Local {
+}
+
+fn main() {}

src/test/ui/coherence/impl[t]-foreign[foreign]-for-fundamental[t].rs

@@ -0,0 +1,20 @@
+#![feature(re_rebalance_coherence)]
+
+// compile-flags:--crate-name=test
+// aux-build:coherence_lib.rs
+
+extern crate coherence_lib as lib;
+use lib::*;
+use std::rc::Rc;
+
+struct Local;
+
+impl<T> Remote1<u32> for Box<T> {
+    //~^ ERROR type parameter `T` must be used as the type parameter for some local type
+}
+
+impl<'a, T> Remote1<u32> for &'a T {
+    //~^ ERROR type parameter `T` must be used as the type parameter for some local type
+}
+
+fn main() {}

src/test/ui/coherence/impl[t]-foreign[foreign]-for-fundamental[t].stderr

@@ -0,0 +1,19 @@
+error[E0210]: type parameter `T` must be used as the type parameter for some local type (e.g., `MyStruct<T>`)
+  --> $DIR/impl[t]-foreign[foreign]-for-fundamental[t].rs:12:1
+   |
+LL | impl<T> Remote1<u32> for Box<T> {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type parameter `T` must be used as the type parameter for some local type
+   |
+   = note: only traits defined in the current crate can be implemented for a type parameter
+
+error[E0210]: type parameter `T` must be used as the type parameter for some local type (e.g., `MyStruct<T>`)
+  --> $DIR/impl[t]-foreign[foreign]-for-fundamental[t].rs:16:1
+   |
+LL | impl<'a, T> Remote1<u32> for &'a T {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type parameter `T` must be used as the type parameter for some local type
+   |
+   = note: only traits defined in the current crate can be implemented for a type parameter
+
+error: aborting due to 2 previous errors
+
+For more information about this error, try `rustc --explain E0210`.

src/test/ui/coherence/impl[t]-foreign[foreign]-for-t.rs

@@ -0,0 +1,16 @@
+#![feature(re_rebalance_coherence)]
+
+// compile-flags:--crate-name=test
+// aux-build:coherence_lib.rs
+
+extern crate coherence_lib as lib;
+use lib::*;
+use std::rc::Rc;
+
+struct Local;
+
+impl<T> Remote1<u32> for T {
+    //~^ ERROR type parameter `T` must be used as the type parameter for some local type
+}
+
+fn main() {}

src/test/ui/coherence/impl[t]-foreign[foreign]-for-t.stderr

@@ -0,0 +1,11 @@
+error[E0210]: type parameter `T` must be used as the type parameter for some local type (e.g., `MyStruct<T>`)
+  --> $DIR/impl[t]-foreign[foreign]-for-t.rs:12:1
+   |
+LL | impl<T> Remote1<u32> for T {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^ type parameter `T` must be used as the type parameter for some local type
+   |
+   = note: only traits defined in the current crate can be implemented for a type parameter
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0210`.

src/test/ui/coherence/impl[t]-foreign[fundamental[t],local]-for-foreign.rs

@@ -0,0 +1,20 @@
+#![feature(re_rebalance_coherence)]
+
+// compile-flags:--crate-name=test
+// aux-build:coherence_lib.rs
+
+extern crate coherence_lib as lib;
+use lib::*;
+use std::rc::Rc;
+
+struct Local;
+
+impl<T> Remote2<Box<T>, Local> for u32 {
+    //~^ ERROR type parameter `T` must be used as the type parameter for some local type
+}
+
+impl<'a, T> Remote2<&'a T, Local> for u32 {
+    //~^ ERROR type parameter `T` must be used as the type parameter for some local type
+}
+
+fn main() {}

src/test/ui/coherence/impl[t]-foreign[fundamental[t],local]-for-foreign.stderr

@@ -0,0 +1,19 @@
+error[E0210]: type parameter `T` must be used as the type parameter for some local type (e.g., `MyStruct<T>`)
+  --> $DIR/impl[t]-foreign[fundamental[t],local]-for-foreign.rs:12:1
+   |
+LL | impl<T> Remote2<Box<T>, Local> for u32 {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type parameter `T` must be used as the type parameter for some local type
+   |
+   = note: only traits defined in the current crate can be implemented for a type parameter
+
+error[E0210]: type parameter `T` must be used as the type parameter for some local type (e.g., `MyStruct<T>`)
+  --> $DIR/impl[t]-foreign[fundamental[t],local]-for-foreign.rs:16:1
+   |
+LL | impl<'a, T> Remote2<&'a T, Local> for u32 {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type parameter `T` must be used as the type parameter for some local type
+   |
+   = note: only traits defined in the current crate can be implemented for a type parameter
+
+error: aborting due to 2 previous errors
+
+For more information about this error, try `rustc --explain E0210`.

src/test/ui/coherence/impl[t]-foreign[fundamental[t]]-for-foreign.rs

@@ -0,0 +1,20 @@
+#![feature(re_rebalance_coherence)]
+
+// compile-flags:--crate-name=test
+// aux-build:coherence_lib.rs
+
+extern crate coherence_lib as lib;
+use lib::*;
+use std::rc::Rc;
+
+struct Local;
+
+impl<T> Remote1<Box<T>> for u32 {
+    //~^ ERROR type parameter `T` must be used as the type parameter for some local type
+}
+
+impl<'a, T> Remote1<&'a T> for u32 {
+    //~^ ERROR type parameter `T` must be used as the type parameter for some local type
+}
+
+fn main() {}

src/test/ui/coherence/impl[t]-foreign[fundamental[t]]-for-foreign.stderr

@@ -0,0 +1,19 @@
+error[E0210]: type parameter `T` must be used as the type parameter for some local type (e.g., `MyStruct<T>`)
+  --> $DIR/impl[t]-foreign[fundamental[t]]-for-foreign.rs:12:1
+   |
+LL | impl<T> Remote1<Box<T>> for u32 {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type parameter `T` must be used as the type parameter for some local type
+   |
+   = note: only traits defined in the current crate can be implemented for a type parameter
+
+error[E0210]: type parameter `T` must be used as the type parameter for some local type (e.g., `MyStruct<T>`)
+  --> $DIR/impl[t]-foreign[fundamental[t]]-for-foreign.rs:16:1
+   |
+LL | impl<'a, T> Remote1<&'a T> for u32 {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type parameter `T` must be used as the type parameter for some local type
+   |
+   = note: only traits defined in the current crate can be implemented for a type parameter
+
+error: aborting due to 2 previous errors
+
+For more information about this error, try `rustc --explain E0210`.

src/test/ui/coherence/impl[t]-foreign[fundamental[t]]-for-fundamental[t].rs

@@ -0,0 +1,19 @@
+#![feature(re_rebalance_coherence)]
+
+// compile-flags:--crate-name=test
+// aux-build:coherence_lib.rs
+
+extern crate coherence_lib as lib;
+use lib::*;
+use std::rc::Rc;
+
+struct Local;
+
+impl<'a, T> Remote1<Box<T>> for &'a T {
+    //~^ ERROR type parameter `T` must be used as the type parameter for some local type
+}
+impl<'a, T> Remote1<&'a T> for Box<T> {
+    //~^ ERROR type parameter `T` must be used as the type parameter for some local type
+}
+
+fn main() {}

src/test/ui/coherence/impl[t]-foreign[fundamental[t]]-for-fundamental[t].stderr

@@ -0,0 +1,19 @@
+error[E0210]: type parameter `T` must be used as the type parameter for some local type (e.g., `MyStruct<T>`)
+  --> $DIR/impl[t]-foreign[fundamental[t]]-for-fundamental[t].rs:12:1
+   |
+LL | impl<'a, T> Remote1<Box<T>> for &'a T {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type parameter `T` must be used as the type parameter for some local type
+   |
+   = note: only traits defined in the current crate can be implemented for a type parameter
+
+error[E0210]: type parameter `T` must be used as the type parameter for some local type (e.g., `MyStruct<T>`)
+  --> $DIR/impl[t]-foreign[fundamental[t]]-for-fundamental[t].rs:15:1
+   |
+LL | impl<'a, T> Remote1<&'a T> for Box<T> {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type parameter `T` must be used as the type parameter for some local type
+   |
+   = note: only traits defined in the current crate can be implemented for a type parameter
+
+error: aborting due to 2 previous errors
+
+For more information about this error, try `rustc --explain E0210`.

src/test/ui/coherence/impl[t]-foreign[fundamental[t]]-for-local.rs

@@ -0,0 +1,17 @@
+#![feature(re_rebalance_coherence)]
+
+// compile-flags:--crate-name=test
+// aux-build:coherence_lib.rs
+// check-pass
+
+extern crate coherence_lib as lib;
+use lib::*;
+use std::rc::Rc;
+
+struct Local;
+
+impl<T> Remote1<Box<T>> for Local {}
+
+impl<'a, T> Remote1<&'a T> for Local {}
+
+fn main() {}

src/test/ui/coherence/impl[t]-foreign[fundamental[t]]-for-t.rs

@@ -0,0 +1,19 @@
+#![feature(re_rebalance_coherence)]
+
+// compile-flags:--crate-name=test
+// aux-build:coherence_lib.rs
+
+extern crate coherence_lib as lib;
+use lib::*;
+use std::rc::Rc;
+
+struct Local;
+
+impl<T> Remote1<Box<T>> for T {
+    //~^ ERROR type parameter `T` must be used as the type parameter for some local type
+}
+impl<'a, T> Remote1<&'a T> for T {
+    //~^ ERROR type parameter `T` must be used as the type parameter for some local type
+}
+
+fn main() {}

src/test/ui/coherence/impl[t]-foreign[fundamental[t]]-for-t.stderr

@@ -0,0 +1,19 @@
+error[E0210]: type parameter `T` must be used as the type parameter for some local type (e.g., `MyStruct<T>`)
+  --> $DIR/impl[t]-foreign[fundamental[t]]-for-t.rs:12:1
+   |
+LL | impl<T> Remote1<Box<T>> for T {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type parameter `T` must be used as the type parameter for some local type
+   |
+   = note: only traits defined in the current crate can be implemented for a type parameter
+
+error[E0210]: type parameter `T` must be used as the type parameter for some local type (e.g., `MyStruct<T>`)
+  --> $DIR/impl[t]-foreign[fundamental[t]]-for-t.rs:15:1
+   |
+LL | impl<'a, T> Remote1<&'a T> for T {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type parameter `T` must be used as the type parameter for some local type
+   |
+   = note: only traits defined in the current crate can be implemented for a type parameter
+
+error: aborting due to 2 previous errors
+
+For more information about this error, try `rustc --explain E0210`.

src/test/ui/coherence/impl[t]-foreign[local, fundamental[t]]-for-foreign.rs

@@ -0,0 +1,19 @@
+#![feature(re_rebalance_coherence)]
+
+// compile-flags:--crate-name=test
+// aux-build:coherence_lib.rs
+// check-pass
+
+extern crate coherence_lib as lib;
+use lib::*;
+use std::rc::Rc;
+
+struct Local;
+struct Local2<T>(Rc<T>);
+
+impl<T> Remote2<Local, Box<T>> for u32 {}
+impl<'a, T> Remote2<Local, &'a T> for u32 {}
+impl<T> Remote2<Local2<T>, Box<T>> for u32 {}
+impl<'a, T> Remote2<Local2<T>, &'a T> for u32 {}
+
+fn main() {}

src/test/ui/coherence/impl[t]-foreign[local]-for-foreign.rs

@@ -0,0 +1,16 @@
+#![feature(re_rebalance_coherence)]
+
+// compile-flags:--crate-name=test
+// aux-build:coherence_lib.rs
+// check-pass
+
+extern crate coherence_lib as lib;
+use lib::*;
+use std::rc::Rc;
+
+struct Local;
+
+impl<T> Remote1<Local> for Rc<T> {}
+impl<T> Remote1<Local> for Vec<Box<T>> {}
+
+fn main() {}

src/test/ui/coherence/impl[t]-foreign[local]-for-local.rs

@@ -0,0 +1,15 @@
+#![feature(re_rebalance_coherence)]
+
+// compile-flags:--crate-name=test
+// aux-build:coherence_lib.rs
+// check-pass
+
+extern crate coherence_lib as lib;
+use lib::*;
+use std::rc::Rc;
+
+struct Local;
+
+impl Remote1<Local> for Local {}
+
+fn main() {}

src/test/ui/coherence/impl[t]-foreign[t]-for-foreign.rs

@@ -0,0 +1,16 @@
+#![feature(re_rebalance_coherence)]
+
+// compile-flags:--crate-name=test
+// aux-build:coherence_lib.rs
+
+extern crate coherence_lib as lib;
+use lib::*;
+use std::rc::Rc;
+
+struct Local;
+
+impl<T> Remote1<T> for u32 {
+    //~^ ERROR type parameter `T` must be used as the type parameter for some local type
+}
+
+fn main() {}

src/test/ui/coherence/impl[t]-foreign[t]-for-foreign.stderr

@@ -0,0 +1,11 @@
+error[E0210]: type parameter `T` must be used as the type parameter for some local type (e.g., `MyStruct<T>`)
+  --> $DIR/impl[t]-foreign[t]-for-foreign.rs:12:1
+   |
+LL | impl<T> Remote1<T> for u32 {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^ type parameter `T` must be used as the type parameter for some local type
+   |
+   = note: only traits defined in the current crate can be implemented for a type parameter
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0210`.

src/test/ui/coherence/impl[t]-foreign[t]-for-fundamental.rs

@@ -0,0 +1,20 @@
+#![feature(re_rebalance_coherence)]
+
+// compile-flags:--crate-name=test
+// aux-build:coherence_lib.rs
+
+extern crate coherence_lib as lib;
+use lib::*;
+use std::rc::Rc;
+
+struct Local;
+
+impl<T> Remote1<T> for Box<T> {
+    //~^ ERROR type parameter `T` must be used as the type parameter for some local type
+}
+
+impl<'a, A, B> Remote1<A> for &'a B {
+    //~^ ERROR type parameter `B` must be used as the type parameter for some local type
+}
+
+fn main() {}