Make E0614 a structured error

```
error[E0614]: type `(..., ..., ..., ...)` cannot be dereferenced
  --> $DIR/long-E0614.rs:10:5
   |
LL |     *x;
   |     ^^ can't be dereferenced
   |
   = note: the full name for the type has been written to '$TEST_BUILD_DIR/$FILE.long-type-hash.txt'
   = note: consider using `--verbose` to print the full type name to the console
```

Author: estebank

compiler/rustc_hir_typeck/messages.ftl

@@ -28,6 +28,9 @@ hir_typeck_cannot_cast_to_bool = cannot cast `{$expr_ty}` as `bool`
     .help = compare with zero instead
     .label = unsupported cast
 
+hir_typeck_cant_dereference = type `{$ty}` cannot be dereferenced
+hir_typeck_cant_dereference_label = can't be dereferenced
+
 hir_typeck_cast_enum_drop = cannot cast enum `{$expr_ty}` into integer `{$cast_ty}` because it implements `Drop`
 
 hir_typeck_cast_thin_pointer_to_wide_pointer = cannot cast thin pointer `{$expr_ty}` to wide pointer `{$cast_ty}`

compiler/rustc_hir_typeck/src/errors.rs

@@ -454,6 +454,15 @@ impl HelpUseLatestEdition {
     }
 }
 
+#[derive(Diagnostic)]
+#[diag(hir_typeck_cant_dereference, code = E0614)]
+pub(crate) struct CantDereference<'tcx> {
+    #[primary_span]
+    #[label(hir_typeck_cant_dereference_label)]
+    pub(crate) span: Span,
+    pub(crate) ty: Ty<'tcx>,
+}
+
 #[derive(Diagnostic)]
 #[diag(hir_typeck_expected_array_or_slice, code = E0529)]
 pub(crate) struct ExpectedArrayOrSlice<'tcx> {

compiler/rustc_hir_typeck/src/expr.rs

@@ -44,9 +44,9 @@ use crate::coercion::{CoerceMany, DynamicCoerceMany};
 use crate::errors::{
     AddressOfTemporaryTaken, BaseExpressionDoubleDot, BaseExpressionDoubleDotAddExpr,
     BaseExpressionDoubleDotEnableDefaultFieldValues, BaseExpressionDoubleDotRemove,
-    FieldMultiplySpecifiedInInitializer, FunctionalRecordUpdateOnNonStruct, HelpUseLatestEdition,
-    ReturnLikeStatementKind, ReturnStmtOutsideOfFnBody, StructExprNonExhaustive,
-    TypeMismatchFruTypo, YieldExprOutsideOfCoroutine,
+    CantDereference, FieldMultiplySpecifiedInInitializer, FunctionalRecordUpdateOnNonStruct,
+    HelpUseLatestEdition, ReturnLikeStatementKind, ReturnStmtOutsideOfFnBody,
+    StructExprNonExhaustive, TypeMismatchFruTypo, YieldExprOutsideOfCoroutine,
 };
 use crate::{
     BreakableCtxt, CoroutineTypes, Diverges, FnCtxt, Needs, cast, fatally_break_rust,
@@ -606,13 +606,8 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
                     if let Some(ty) = self.lookup_derefing(expr, oprnd, oprnd_t) {
                         oprnd_t = ty;
                     } else {
-                        let mut err = type_error_struct!(
-                            self.dcx(),
-                            expr.span,
-                            oprnd_t,
-                            E0614,
-                            "type `{oprnd_t}` cannot be dereferenced",
-                        );
+                        let mut err =
+                            self.dcx().create_err(CantDereference { span: expr.span, ty: oprnd_t });
                         let sp = tcx.sess.source_map().start_point(expr.span).with_parent(None);
                         if let Some(sp) =
                             tcx.sess.psess.ambiguous_block_expr_parse.borrow().get(&sp)

tests/ui/deref-non-pointer.stderr

@@ -2,7 +2,7 @@ error[E0614]: type `{integer}` cannot be dereferenced
   --> $DIR/deref-non-pointer.rs:2:9
    |
 LL |   match *1 {
-   |         ^^
+   |         ^^ can't be dereferenced
 
 error: aborting due to 1 previous error
 

tests/ui/diagnostic-width/long-E0614.rs

@@ -7,7 +7,7 @@ type C = (B, B, B, B);
 type D = (C, C, C, C);
 
 fn foo(x: D) {
-    *x; //~ ERROR type `(
+    *x; //~ ERROR type `(...
 }
 
 fn main() {}

tests/ui/diagnostic-width/long-E0614.stderr

@@ -1,8 +1,11 @@
-error[E0614]: type `((((i32, i32, i32, i32), (i32, i32, i32, i32), (i32, i32, i32, i32), (i32, i32, i32, i32)), ((i32, i32, i32, i32), (i32, i32, i32, i32), (i32, i32, i32, i32), (i32, i32, i32, i32)), ((i32, i32, i32, i32), (i32, i32, i32, i32), (i32, i32, i32, i32), (i32, i32, i32, i32)), ((i32, i32, i32, i32), (i32, i32, i32, i32), (i32, i32, i32, i32), (i32, i32, i32, i32))), (((i32, i32, i32, i32), (i32, i32, i32, i32), (i32, i32, i32, i32), (i32, i32, i32, i32)), ((i32, i32, i32, i32), (i32, i32, i32, i32), (i32, i32, i32, i32), (i32, i32, i32, i32)), ((i32, i32, i32, i32), (i32, i32, i32, i32), (i32, i32, i32, i32), (i32, i32, i32, i32)), ((i32, i32, i32, i32), (i32, i32, i32, i32), (i32, i32, i32, i32), (i32, i32, i32, i32))), (((i32, i32, i32, i32), (i32, i32, i32, i32), (i32, i32, i32, i32), (i32, i32, i32, i32)), ((i32, i32, i32, i32), (i32, i32, i32, i32), (i32, i32, i32, i32), (i32, i32, i32, i32)), ((i32, i32, i32, i32), (i32, i32, i32, i32), (i32, i32, i32, i32), (i32, i32, i32, i32)), ((i32, i32, i32, i32), (i32, i32, i32, i32), (i32, i32, i32, i32), (i32, i32, i32, i32))), (((i32, i32, i32, i32), (i32, i32, i32, i32), (i32, i32, i32, i32), (i32, i32, i32, i32)), ((i32, i32, i32, i32), (i32, i32, i32, i32), (i32, i32, i32, i32), (i32, i32, i32, i32)), ((i32, i32, i32, i32), (i32, i32, i32, i32), (i32, i32, i32, i32), (i32, i32, i32, i32)), ((i32, i32, i32, i32), (i32, i32, i32, i32), (i32, i32, i32, i32), (i32, i32, i32, i32))))` cannot be dereferenced
+error[E0614]: type `(..., ..., ..., ...)` cannot be dereferenced
   --> $DIR/long-E0614.rs:10:5
    |
 LL |     *x;
-   |     ^^
+   |     ^^ can't be dereferenced
+   |
+   = note: the full name for the type has been written to '$TEST_BUILD_DIR/$FILE.long-type-hash.txt'
+   = note: consider using `--verbose` to print the full type name to the console
 
 error: aborting due to 1 previous error
 

tests/ui/error-codes/E0614.stderr

@@ -2,7 +2,7 @@ error[E0614]: type `u32` cannot be dereferenced
   --> $DIR/E0614.rs:3:5
    |
 LL |     *y;
-   |     ^^
+   |     ^^ can't be dereferenced
 
 error: aborting due to 1 previous error
 

tests/ui/issues/issue-17373.stderr

@@ -2,7 +2,7 @@ error[E0614]: type `!` cannot be dereferenced
   --> $DIR/issue-17373.rs:2:5
    |
 LL |     *return
-   |     ^^^^^^^
+   |     ^^^^^^^ can't be dereferenced
 
 error: aborting due to 1 previous error
 

tests/ui/issues/issue-9814.stderr

@@ -2,7 +2,7 @@ error[E0614]: type `Foo` cannot be dereferenced
   --> $DIR/issue-9814.rs:7:13
    |
 LL |     let _ = *Foo::Bar(2);
-   |             ^^^^^^^^^^^^
+   |             ^^^^^^^^^^^^ can't be dereferenced
 
 error: aborting due to 1 previous error
 

tests/ui/parser/expr-as-stmt.stderr

@@ -133,7 +133,7 @@ error[E0614]: type `{integer}` cannot be dereferenced
   --> $DIR/expr-as-stmt.rs:25:11
    |
 LL |     { 3 } * 3
-   |           ^^^
+   |           ^^^ can't be dereferenced
    |
 help: parentheses are required to parse this as an expression
    |

tests/ui/pattern/bindings-after-at/nested-binding-modes-ref.stderr

@@ -2,13 +2,13 @@ error[E0614]: type `{integer}` cannot be dereferenced
   --> $DIR/nested-binding-modes-ref.rs:4:5
    |
 LL |     *is_val;
-   |     ^^^^^^^
+   |     ^^^^^^^ can't be dereferenced
 
 error[E0614]: type `{integer}` cannot be dereferenced
   --> $DIR/nested-binding-modes-ref.rs:9:5
    |
 LL |     *is_val;
-   |     ^^^^^^^
+   |     ^^^^^^^ can't be dereferenced
 
 error: aborting due to 2 previous errors
 

tests/ui/reachable/expr_unary.stderr

@@ -2,7 +2,7 @@ error[E0614]: type `!` cannot be dereferenced
   --> $DIR/expr_unary.rs:8:16
    |
 LL |     let x: ! = * { return; };
-   |                ^^^^^^^^^^^^^
+   |                ^^^^^^^^^^^^^ can't be dereferenced
 
 error: unreachable expression
   --> $DIR/expr_unary.rs:8:16

tests/ui/type/type-check/missing_trait_impl.stderr

@@ -50,7 +50,7 @@ error[E0614]: type `T` cannot be dereferenced
   --> $DIR/missing_trait_impl.rs:15:13
    |
 LL |     let y = *x;
-   |             ^^
+   |             ^^ can't be dereferenced
 
 error: aborting due to 5 previous errors