Fix test for #7663

Fixes #140780

Author: pvdrz

src/tools/tidy/src/issues.txt

@@ -2538,7 +2538,6 @@ ui/issues/issue-76077-inaccesible-private-fields/issue-76077-1.rs
 ui/issues/issue-76077-inaccesible-private-fields/issue-76077.rs
 ui/issues/issue-76191.rs
 ui/issues/issue-7660.rs
-ui/issues/issue-7663.rs
 ui/issues/issue-7673-cast-generically-implemented-trait.rs
 ui/issues/issue-77218/issue-77218-2.rs
 ui/issues/issue-77218/issue-77218.rs
@@ -3634,6 +3633,7 @@ ui/resolve/issue-6702.rs
 ui/resolve/issue-69401-trait-fn-no-body-ty-local.rs
 ui/resolve/issue-70736-async-fn-no-body-def-collector.rs
 ui/resolve/issue-73427.rs
+ui/resolve/issue-7663.rs
 ui/resolve/issue-80079.rs
 ui/resolve/issue-81508.rs
 ui/resolve/issue-82156.rs

src/tools/tidy/src/ui_tests.rs

@@ -17,7 +17,7 @@ use ignore::Walk;
 const ENTRY_LIMIT: u32 = 901;
 // FIXME: The following limits should be reduced eventually.
 
-const ISSUES_ENTRY_LIMIT: u32 = 1623;
+const ISSUES_ENTRY_LIMIT: u32 = 1622;
 
 const EXPECTED_TEST_FILE_EXTENSIONS: &[&str] = &[
     "rs",     // test source files

tests/ui/issues/issue-7663.rs

@@ -0,0 +1,38 @@
+#![allow(unused_imports, dead_code)]
+
+mod test1 {
+    mod foo {
+        pub struct P;
+    }
+
+    mod bar {
+        pub struct P;
+    }
+
+    pub mod baz {
+        use test1::foo::*;
+        use test1::bar::*;
+
+        pub fn f() {
+            let _ = P; //~ ERROR `P` is ambiguous
+        }
+    }
+}
+
+mod test2 {
+    mod foo {
+        pub struct P;
+    }
+
+    mod bar {
+        pub struct P;
+    }
+
+    pub mod baz {
+        use test2::foo::P;
+        use test2::bar::P; //~ ERROR the name `P` is defined multiple times
+    }
+}
+
+fn main() {
+}

tests/ui/resolve/issue-7663.rs

@@ -0,0 +1,38 @@
+error[E0252]: the name `P` is defined multiple times
+  --> $DIR/issue-7663.rs:33:13
+   |
+LL |         use test2::foo::P;
+   |             ------------- previous import of the type `P` here
+LL |         use test2::bar::P;
+   |             ^^^^^^^^^^^^^ `P` reimported here
+   |
+   = note: `P` must be defined only once in the type namespace of this module
+help: you can use `as` to change the binding name of the import
+   |
+LL |         use test2::bar::P as OtherP;
+   |                           +++++++++
+
+error[E0659]: `P` is ambiguous
+  --> $DIR/issue-7663.rs:17:21
+   |
+LL |             let _ = P;
+   |                     ^ ambiguous name
+   |
+   = note: ambiguous because of multiple glob imports of a name in the same module
+note: `P` could refer to the unit struct imported here
+  --> $DIR/issue-7663.rs:13:13
+   |
+LL |         use test1::foo::*;
+   |             ^^^^^^^^^^^^^
+   = help: consider adding an explicit import of `P` to disambiguate
+note: `P` could also refer to the unit struct imported here
+  --> $DIR/issue-7663.rs:14:13
+   |
+LL |         use test1::bar::*;
+   |             ^^^^^^^^^^^^^
+   = help: consider adding an explicit import of `P` to disambiguate
+
+error: aborting due to 2 previous errors
+
+Some errors have detailed explanations: E0252, E0659.
+For more information about an error, try `rustc --explain E0252`.