1 files changed, 36 insertions, 0 deletions
diff --git a/tests/ui/consts/const-eval/ub-int-array.stderr b/tests/ui/consts/const-eval/ub-int-array.stderr
new file mode 100644
index 000000000..c8efd7e1b
--- /dev/null
+++ b/tests/ui/consts/const-eval/ub-int-array.stderr
@@ -0,0 +1,36 @@
+error[E0080]: it is undefined behavior to use this value
+  --> $DIR/ub-int-array.rs:18:1
+   |
+LL | const UNINIT_INT_0: [u32; 3] = unsafe {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ constructing invalid value at [0]: encountered uninitialized memory, but expected an integer
+   |
+   = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior.
+   = note: the raw bytes of the constant (size: 12, align: 4) {
+               __ __ __ __ 11 11 11 11 22 22 22 22             │ ░░░░....""""
+           }
+
+error[E0080]: it is undefined behavior to use this value
+  --> $DIR/ub-int-array.rs:28:1
+   |
+LL | const UNINIT_INT_1: [u32; 3] = unsafe {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ constructing invalid value at [1]: encountered uninitialized memory, but expected an integer
+   |
+   = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior.
+   = note: the raw bytes of the constant (size: 12, align: 4) {
+               00 00 00 00 01 __ 01 01 02 02 __ 02             │ .....░....░.
+           }
+
+error[E0080]: it is undefined behavior to use this value
+  --> $DIR/ub-int-array.rs:46:1
+   |
+LL | const UNINIT_INT_2: [u32; 3] = unsafe {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ constructing invalid value at [2]: encountered uninitialized memory, but expected an integer
+   |
+   = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior.
+   = note: the raw bytes of the constant (size: 12, align: 4) {
+               00 00 00 00 01 01 01 01 02 02 02 __             │ ...........░
+           }
+
+error: aborting due to 3 previous errors
+
+For more information about this error, try `rustc --explain E0080`.