Update these test cases.

Author: Keith-Cancel

tests/ui/const-generics/mgca/unbraced_const_block_const_arg_gated.rs

@@ -33,10 +33,10 @@ fn generic<const N: usize>() {
 const NON_TYPE_CONST: usize = const { 1 };
 
 
-type const TYPE_CONST: usize =
-//~^ ERROR: top-level `type const` are unstable [E0658]
-const { 1 };
-//~^ ERROR: unbraced const blocks as const args are experimental
+type const TYPE_CONST: usize = const { 1 };
+//~^ ERROR: `type const` syntax is experimental [E0658]
+//~| ERROR: top-level `type const` are unstable [E0658]
+//~| ERROR: unbraced const blocks as const args are experimental
 
 static STATIC: usize = const { 1 };
 

tests/ui/const-generics/mgca/unbraced_const_block_const_arg_gated.stderr

@@ -49,27 +49,35 @@ LL |         generic::<const { 1 }>();
    = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
 
 error[E0658]: unbraced const blocks as const args are experimental
-  --> $DIR/unbraced_const_block_const_arg_gated.rs:38:1
+  --> $DIR/unbraced_const_block_const_arg_gated.rs:36:32
    |
-LL | const { 1 };
-   | ^^^^^^^^^^^
+LL | type const TYPE_CONST: usize = const { 1 };
+   |                                ^^^^^^^^^^^
    |
    = note: see issue #132980 <https://github.com/rust-lang/rust/issues/132980> for more information
    = help: add `#![feature(min_generic_const_args)]` to the crate attributes to enable
    = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
 
+error[E0658]: `type const` syntax is experimental
+  --> $DIR/unbraced_const_block_const_arg_gated.rs:36:1
+   |
+LL | type const TYPE_CONST: usize = const { 1 };
+   | ^^^^^^^^^^
+   |
+   = note: see issue #132980 <https://github.com/rust-lang/rust/issues/132980> for more information
+   = help: add `#![feature(mgca_type_const_syntax)]` to the crate attributes to enable
+   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
+
 error[E0658]: top-level `type const` are unstable
   --> $DIR/unbraced_const_block_const_arg_gated.rs:36:1
    |
-LL | / type const TYPE_CONST: usize =
-LL | |
-LL | | const { 1 };
-   | |____________^
+LL | type const TYPE_CONST: usize = const { 1 };
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
    = note: see issue #132980 <https://github.com/rust-lang/rust/issues/132980> for more information
    = help: add `#![feature(min_generic_const_args)]` to the crate attributes to enable
    = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
 
-error: aborting due to 7 previous errors
+error: aborting due to 8 previous errors
 
 For more information about this error, try `rustc --explain E0658`.

tests/ui/const-generics/type-relative-path-144547.min.stderr

@@ -1,5 +1,5 @@
 error: generic parameters may not be used in const operations
-  --> $DIR/type-relative-path-144547.rs:37:35
+  --> $DIR/type-relative-path-144547.rs:40:35
    |
 LL |     type SupportedArray<T> = [T; <Self::InfoType as LevelInfo>::SUPPORTED_SLOTS];
    |                                   ^^^^^^^^^^^^^^

tests/ui/const-generics/type-relative-path-144547.rs

@@ -2,9 +2,12 @@
 
 //@ revisions: min mgca
 //@[mgca] check-pass
-
+#![allow(incomplete_features)]
+#![feature(mgca_type_const_syntax)]
 #![cfg_attr(mgca, feature(min_generic_const_args))]
-#![cfg_attr(mgca, expect(incomplete_features))]
+// FIXME(mgca) syntax is it's own feature flag before
+// expansion and is also an incomplete feature.
+//#![cfg_attr(mgca, expect(incomplete_features))]
 
 trait UnderlyingImpl<const MAX_SIZE: usize> {
     type InfoType: LevelInfo;