diff --git a/src/test/compile-fail/const-err3.rs b/src/test/compile-fail/consts/const-err3.rs
similarity index 100%
rename from src/test/compile-fail/const-err3.rs
rename to src/test/compile-fail/consts/const-err3.rs
diff --git a/src/test/compile-fail/const-fn-error.rs b/src/test/compile-fail/consts/const-fn-error.rs
similarity index 100%
rename from src/test/compile-fail/const-fn-error.rs
rename to src/test/compile-fail/consts/const-fn-error.rs
diff --git a/src/test/ui/consts/issue-55878.rs b/src/test/compile-fail/consts/issue-55878.rs
similarity index 100%
rename from src/test/ui/consts/issue-55878.rs
rename to src/test/compile-fail/consts/issue-55878.rs
diff --git a/src/test/ui/consts/issue-55878.stderr b/src/test/ui/consts/issue-55878.stderr
deleted file mode 100644
index 4332c7f19dc1..000000000000
--- a/src/test/ui/consts/issue-55878.stderr
+++ /dev/null
@@ -1,14 +0,0 @@
-error[E0080]: the type `[u8; SIZE]` is too big for the current architecture
-  --> $SRC_DIR/libcore/mem/mod.rs:LL:COL
-   |
-LL |     intrinsics::size_of::<T>()
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
-   | 
-  ::: $DIR/issue-55878.rs:6:26
-   |
-LL |     println!("Size: {}", std::mem::size_of::<[u8; std::u64::MAX as usize]>());
-   |                          ---------------------------------------------------
-
-error: aborting due to previous error
-
-For more information about this error, try `rustc --explain E0080`.