2 files changed, 4 insertions, 0 deletions
diff --git a/src/test/ui/consts/issue-66342.rs b/src/test/ui/consts/issue-66342.rs
index fa2a6f75673..5c93f874256 100644
--- a/src/test/ui/consts/issue-66342.rs
+++ b/src/test/ui/consts/issue-66342.rs
@@ -1,5 +1,7 @@
 // check-pass
 
+// Checks that the compiler does not actually try to allocate 4 TB during compilation and OOM crash.
+
 fn foo() -> [u8; 4 * 1024 * 1024 * 1024 * 1024] {
     unimplemented!()
 }
diff --git a/src/test/ui/consts/issue-66397.rs b/src/test/ui/consts/issue-66397.rs
index 0830c060e56..b9cf163bc61 100644
--- a/src/test/ui/consts/issue-66397.rs
+++ b/src/test/ui/consts/issue-66397.rs
@@ -1,5 +1,7 @@
 // build-pass
 
+// Checks that the compiler does not actually try to allocate 4 TB during compilation and OOM crash.
+
 fn main() {
     [0; 4 * 1024 * 1024 * 1024 * 1024];
 }