add ui testcase for issue 82772

src/test/ui/structs/struct-variant-privacy-xc.rs

@@ -1,9 +1,11 @@
 // aux-build:struct_variant_privacy.rs
 extern crate struct_variant_privacy;
 
-fn f(b: struct_variant_privacy::Bar) { //~ ERROR enum `Bar` is private
+fn f(b: struct_variant_privacy::Bar) {
+    //~^ ERROR enum `Bar` is private
     match b {
-        struct_variant_privacy::Bar::Baz { a: _a } => {} //~ ERROR enum `Bar` is private
+        struct_variant_privacy::Bar::Baz { a: _a } => {} //~ ERROR cannot match on
+                                                         //~^ ERROR enum `Bar` is private
     }
 }
 

src/test/ui/structs/struct-variant-privacy-xc.stderr

@@ -11,7 +11,7 @@ LL | enum Bar {
    | ^^^^^^^^
 
 error[E0603]: enum `Bar` is private
-  --> $DIR/struct-variant-privacy-xc.rs:6:33
+  --> $DIR/struct-variant-privacy-xc.rs:7:33
    |
 LL |         struct_variant_privacy::Bar::Baz { a: _a } => {}
    |                                 ^^^ private enum
@@ -22,6 +22,12 @@ note: the enum `Bar` is defined here
 LL | enum Bar {
    | ^^^^^^^^
 
-error: aborting due to 2 previous errors
+error[E0603]: cannot match on a field named `a` of variant `struct_variant_privacy::Bar::Baz`, which is not accessible in current scope
+  --> $DIR/struct-variant-privacy-xc.rs:7:44
+   |
+LL |         struct_variant_privacy::Bar::Baz { a: _a } => {}
+   |                                            ^
+
+error: aborting due to 3 previous errors
 
 For more information about this error, try `rustc --explain E0603`.

src/test/ui/structs/struct-variant-privacy.rs

@@ -1,12 +1,14 @@
 mod foo {
     enum Bar {
-        Baz { a: isize }
+        Baz { a: isize },
     }
 }
 
-fn f(b: foo::Bar) { //~ ERROR enum `Bar` is private
+fn f(b: foo::Bar) {
+    //~^ ERROR enum `Bar` is private
     match b {
         foo::Bar::Baz { a: _a } => {} //~ ERROR enum `Bar` is private
+                                      //~^ ERROR cannot match on
     }
 }
 

src/test/ui/structs/struct-variant-privacy.stderr

@@ -11,7 +11,7 @@ LL |     enum Bar {
    |     ^^^^^^^^
 
 error[E0603]: enum `Bar` is private
-  --> $DIR/struct-variant-privacy.rs:9:14
+  --> $DIR/struct-variant-privacy.rs:10:14
    |
 LL |         foo::Bar::Baz { a: _a } => {}
    |              ^^^ private enum
@@ -22,6 +22,12 @@ note: the enum `Bar` is defined here
 LL |     enum Bar {
    |     ^^^^^^^^
 
-error: aborting due to 2 previous errors
+error[E0603]: cannot match on a field named `a` of variant `Bar::Baz`, which is not accessible in current scope
+  --> $DIR/struct-variant-privacy.rs:10:25
+   |
+LL |         foo::Bar::Baz { a: _a } => {}
+   |                         ^
+
+error: aborting due to 3 previous errors
 
 For more information about this error, try `rustc --explain E0603`.

src/test/ui/typeck/issue-82772.rs

@@ -0,0 +1,13 @@
+// edition:2018
+
+fn main() {
+    use a::LocalModPrivateStruct;
+    let Box { 1: _, .. }: Box<()>; //~ ERROR cannot match on
+    let LocalModPrivateStruct { 1: _, .. } = LocalModPrivateStruct::default();
+    //~^ ERROR cannot match on
+}
+
+mod a {
+    #[derive(Default)]
+    pub struct LocalModPrivateStruct(u8, u8);
+}

src/test/ui/typeck/issue-82772.stderr

@@ -0,0 +1,15 @@
+error[E0603]: cannot match on a field named `1` of struct `Box`, which is not accessible in current scope
+  --> $DIR/issue-82772.rs:5:15
+   |
+LL |     let Box { 1: _, .. }: Box<()>;
+   |               ^
+
+error[E0603]: cannot match on a field named `1` of struct `LocalModPrivateStruct`, which is not accessible in current scope
+  --> $DIR/issue-82772.rs:6:33
+   |
+LL |     let LocalModPrivateStruct { 1: _, .. } = LocalModPrivateStruct::default();
+   |                                 ^
+
+error: aborting due to 2 previous errors
+
+For more information about this error, try `rustc --explain E0603`.