Fix hack that remaps env constness.

WARNING: might have perf implications.

Are there any more problems with having a constness
in the `ParamEnv` now? :)

2 files changed, 1 insertions, 16 deletions

diff --git a/src/test/ui/unsized/issue-30355.rs b/src/test/ui/unsized/issue-30355.rs
index 01811090503..6ff5b37f6e5 100644
--- a/src/test/ui/unsized/issue-30355.rs
+++ b/src/test/ui/unsized/issue-30355.rs
@@ -4,7 +4,6 @@ pub static Y: &'static X = {
     const Y: &'static [u8] = b"";
     &X(*Y)
     //~^ ERROR E0277
-    //~| ERROR E0277
 };
 
 fn main() {}
diff --git a/src/test/ui/unsized/issue-30355.stderr b/src/test/ui/unsized/issue-30355.stderr
index 62b6007a15a..71bbdf5dec7 100644
--- a/src/test/ui/unsized/issue-30355.stderr
+++ b/src/test/ui/unsized/issue-30355.stderr
@@ -8,20 +8,6 @@ LL |     &X(*Y)
    = note: all function arguments must have a statically known size
    = help: unsized fn params are gated as an unstable feature
 
-error[E0277]: the size for values of type `[u8]` cannot be known at compilation time
-  --> $DIR/issue-30355.rs:5:6
-   |
-LL |     &X(*Y)
-   |      ^ doesn't have a size known at compile-time
-   |
-   = help: within `X`, the trait `Sized` is not implemented for `[u8]`
-note: required because it appears within the type `X`
-  --> $DIR/issue-30355.rs:1:12
-   |
-LL | pub struct X([u8]);
-   |            ^
-   = note: the return type of a function must have a statically known size
-
-error: aborting due to 2 previous errors
+error: aborting due to previous error
 
 For more information about this error, try `rustc --explain E0277`.