diff --git a/tests/ui-fulldeps/stable-mir/check_allocation.rs b/tests/ui-fulldeps/stable-mir/check_allocation.rs
index 7752ff51ac811..db2e8c03dbe3d 100644
--- a/tests/ui-fulldeps/stable-mir/check_allocation.rs
+++ b/tests/ui-fulldeps/stable-mir/check_allocation.rs
@@ -224,6 +224,7 @@ fn main() {
     let args = vec![
         "rustc".to_string(),
         "--edition=2021".to_string(),
+        "-Cdebuginfo=full".to_string(),
         "--crate-name".to_string(),
         CRATE_NAME.to_string(),
         path.to_string(),
diff --git a/tests/ui-fulldeps/stable-mir/check_ty_fold.rs b/tests/ui-fulldeps/stable-mir/check_ty_fold.rs
index 0b8cfcf27fd9b..0079f9209526e 100644
--- a/tests/ui-fulldeps/stable-mir/check_ty_fold.rs
+++ b/tests/ui-fulldeps/stable-mir/check_ty_fold.rs
@@ -81,6 +81,7 @@ fn main() {
     let args = vec![
         "rustc".to_string(),
         "-Cpanic=abort".to_string(),
+        "-Cdebuginfo=full".to_string(),
         "--crate-name".to_string(),
         CRATE_NAME.to_string(),
         path.to_string(),