11 files changed, 122 insertions, 0 deletions
diff --git a/src/test/ui/imports/auxiliary/gensymed.rs b/src/test/ui/imports/auxiliary/gensymed.rs
new file mode 100644
index 000000000..bbb19f5ec
--- /dev/null
+++ b/src/test/ui/imports/auxiliary/gensymed.rs
@@ -0,0 +1,3 @@
+// edition:2018
+
+mod std {}
diff --git a/src/test/ui/imports/auxiliary/glob-conflict.rs b/src/test/ui/imports/auxiliary/glob-conflict.rs
new file mode 100644
index 000000000..c83db64c6
--- /dev/null
+++ b/src/test/ui/imports/auxiliary/glob-conflict.rs
@@ -0,0 +1,13 @@
+mod m1 {
+    pub fn f() {}
+}
+mod m2 {
+    pub fn f(_: u8) {}
+}
+
+pub use m1::*;
+pub use m2::*;
+
+pub mod glob {
+    pub use *;
+}
diff --git a/src/test/ui/imports/auxiliary/import_crate_var.rs b/src/test/ui/imports/auxiliary/import_crate_var.rs
new file mode 100644
index 000000000..a273b103a
--- /dev/null
+++ b/src/test/ui/imports/auxiliary/import_crate_var.rs
@@ -0,0 +1,7 @@
+pub fn f() {}
+
+#[macro_export]
+macro_rules! m { () => {
+    use $crate;
+    import_crate_var::f();
+} }
diff --git a/src/test/ui/imports/auxiliary/issue-36881-aux.rs b/src/test/ui/imports/auxiliary/issue-36881-aux.rs
new file mode 100644
index 000000000..e373b6438
--- /dev/null
+++ b/src/test/ui/imports/auxiliary/issue-36881-aux.rs
@@ -0,0 +1 @@
+pub trait Foo {}
diff --git a/src/test/ui/imports/auxiliary/issue-52891.rs b/src/test/ui/imports/auxiliary/issue-52891.rs
new file mode 100644
index 000000000..075981183
--- /dev/null
+++ b/src/test/ui/imports/auxiliary/issue-52891.rs
@@ -0,0 +1,33 @@
+pub mod a {
+    pub mod inner {
+    }
+}
+
+pub mod b {
+    pub mod inner {
+    }
+}
+
+pub mod c {}
+
+pub mod d {}
+
+pub mod e {}
+
+pub mod f {}
+
+pub mod g {}
+
+pub mod h {}
+
+pub mod i {}
+
+pub mod j {}
+
+pub mod k {}
+
+pub mod l {}
+
+pub mod m {}
+
+pub mod n {}
diff --git a/src/test/ui/imports/auxiliary/issue-55811.rs b/src/test/ui/imports/auxiliary/issue-55811.rs
new file mode 100644
index 000000000..877e4cdb0
--- /dev/null
+++ b/src/test/ui/imports/auxiliary/issue-55811.rs
@@ -0,0 +1,5 @@
+mod m {}
+
+// These two imports should not conflict when this crate is loaded from some other crate.
+use m::{};
+use m::{};
diff --git a/src/test/ui/imports/auxiliary/issue-56125.rs b/src/test/ui/imports/auxiliary/issue-56125.rs
new file mode 100644
index 000000000..8e0797582
--- /dev/null
+++ b/src/test/ui/imports/auxiliary/issue-56125.rs
@@ -0,0 +1,11 @@
+pub mod issue_56125 {}
+
+pub mod last_segment {
+    pub mod issue_56125 {}
+}
+
+pub mod non_last_segment {
+    pub mod non_last_segment {
+        pub mod issue_56125 {}
+    }
+}
diff --git a/src/test/ui/imports/auxiliary/issue-59764.rs b/src/test/ui/imports/auxiliary/issue-59764.rs
new file mode 100644
index 000000000..a92eed968
--- /dev/null
+++ b/src/test/ui/imports/auxiliary/issue-59764.rs
@@ -0,0 +1,18 @@
+pub mod foo {
+    #[macro_export]
+    macro_rules! makro {
+        ($foo:ident) => {
+            fn $foo() { }
+        }
+    }
+
+    pub fn baz() {}
+
+    pub fn foobar() {}
+
+    pub mod barbaz {
+        pub fn barfoo() {}
+    }
+}
+
+pub fn foobaz() {}
diff --git a/src/test/ui/imports/auxiliary/overlapping_pub_trait_source.rs b/src/test/ui/imports/auxiliary/overlapping_pub_trait_source.rs
new file mode 100644
index 000000000..2a25d60ac
--- /dev/null
+++ b/src/test/ui/imports/auxiliary/overlapping_pub_trait_source.rs
@@ -0,0 +1,13 @@
+/* This crate declares an item as both `prelude::*` and `m::Tr`.
+ * The compiler should always suggest `m::Tr`. */
+
+pub struct S;
+
+pub mod prelude {
+    pub use crate::m::Tr as _;
+}
+
+pub mod m {
+    pub trait Tr { fn method(&self); }
+    impl Tr for crate::S { fn method(&self) {} }
+}
diff --git a/src/test/ui/imports/auxiliary/two_macros.rs b/src/test/ui/imports/auxiliary/two_macros.rs
new file mode 100644
index 000000000..92c211467
--- /dev/null
+++ b/src/test/ui/imports/auxiliary/two_macros.rs
@@ -0,0 +1,5 @@
+#[macro_export]
+macro_rules! m { ($($t:tt)*) => { $($t)* } }
+
+#[macro_export]
+macro_rules! n { ($($t:tt)*) => { $($t)* } }
diff --git a/src/test/ui/imports/auxiliary/unnamed_pub_trait_source.rs b/src/test/ui/imports/auxiliary/unnamed_pub_trait_source.rs
new file mode 100644
index 000000000..d73c9a795
--- /dev/null
+++ b/src/test/ui/imports/auxiliary/unnamed_pub_trait_source.rs
@@ -0,0 +1,13 @@
+/* This crate declares an item that is unnamed.
+ * Its only public path is through `prelude::*`. */
+
+pub struct S;
+
+mod m {
+    pub trait Tr { fn method(&self); }
+    impl Tr for crate::S { fn method(&self) {} }
+}
+
+pub mod prelude {
+    pub use crate::m::Tr as _;
+}