update clippy stderr file

tests/ui/crashes/ice-5497.stderr

@@ -0,0 +1,10 @@
+error: this operation will panic at runtime
+  --> $DIR/ice-5497.rs:9:22
+   |
+LL |     const OOB: i32 = [1][1] + T::OOB;
+   |                      ^^^^^^ index out of bounds: the length is 1 but the index is 1
+   |
+   = note: `#[deny(unconditional_panic)]` on by default
+
+error: aborting due to previous error
+