Rollup merge of rust-lang#120195 - bvanjoi:add-some-resolution-test-case, r=petrochenkov

add several resolution test cases

r? ``@petrochenkov``

Author: fmease

tests/ui/imports/ambiguous-2.rs

@@ -6,4 +6,5 @@ extern crate ambiguous_1;
 
 fn main() {
     ambiguous_1::id();
+    //^ FIXME: `id` should be identified as an ambiguous item.
 }

tests/ui/imports/ambiguous-4.rs

@@ -5,5 +5,5 @@ extern crate ambiguous_4_extern;
 
 fn main() {
     ambiguous_4_extern::id();
-    // `warning_ambiguous` had been lost at metadata.
+    //^ FIXME: `id` should be identified as an ambiguous item.
 }

tests/ui/imports/auxiliary/glob-conflict-cross-crate-2-extern.rs

@@ -0,0 +1,10 @@
+mod a {
+    pub type C = i8;
+}
+
+mod b {
+    pub type C = i16;
+}
+
+pub use a::*;
+pub use b::*;

tests/ui/imports/auxiliary/issue-114682-2-extern.rs

@@ -0,0 +1,17 @@
+macro_rules! m {
+    () => {
+        pub fn max() {}
+        pub(crate) mod max {}
+    };
+}
+
+mod d {
+    m! {}
+}
+
+mod e {
+    pub type max = i32;
+}
+
+pub use self::d::*;
+pub use self::e::*;

tests/ui/imports/auxiliary/issue-114682-3-extern.rs

@@ -0,0 +1,16 @@
+mod gio {
+    pub trait SettingsExt {
+        fn abc(&self) {}
+    }
+    impl<T> SettingsExt for T {}
+}
+
+mod gtk {
+    pub trait SettingsExt {
+        fn efg(&self) {}
+    }
+    impl<T> SettingsExt for T {}
+}
+
+pub use gtk::*;
+pub use gio::*;

tests/ui/imports/auxiliary/issue-114682-4-extern.rs

@@ -0,0 +1,10 @@
+mod a {
+    pub type Result<T> = std::result::Result<T, ()>;
+}
+
+mod b {
+    pub type Result<T> = std::result::Result<T, ()>;
+}
+
+pub use a::*;
+pub use b::*;

tests/ui/imports/auxiliary/issue-114682-5-extern-1.rs

@@ -0,0 +1 @@
+pub struct Url;

tests/ui/imports/auxiliary/issue-114682-5-extern-2.rs

@@ -0,0 +1,13 @@
+// edition: 2018
+// aux-build: issue-114682-5-extern-1.rs
+// compile-flags: --extern issue_114682_5_extern_1
+
+pub mod p {
+    pub use crate::types::*;
+    pub use crate::*;
+}
+mod types {
+    pub mod issue_114682_5_extern_1 {}
+}
+
+pub use issue_114682_5_extern_1;

tests/ui/imports/auxiliary/issue-114682-6-extern.rs

@@ -0,0 +1,9 @@
+mod a {
+    pub fn log() {}
+}
+mod b {
+    pub fn log() {}
+}
+
+pub use self::a::*;
+pub use self::b::*;

tests/ui/imports/extern-with-ambiguous-2.rs

@@ -12,5 +12,7 @@ mod s {
 use s::*;
 use extern_with_ambiguous_2_extern::*;
 use error::*;
+//^ FIXME: An ambiguity error should be thrown for `error`,
+// as there is ambiguity present within `extern-with-ambiguous-2-extern.rs`.
 
 fn main() {}