black_box: test passing slice through black_box, ICE

Author: Firestar99

tests/compiletests/ui/lang/core/intrinsics/black_box.rs

@@ -10,16 +10,14 @@ use core::hint::black_box;
 use spirv_std::spirv;
 
 #[spirv(compute(threads(1)))]
-pub fn main(
-    #[spirv(descriptor_set = 0, binding = 0, storage_buffer)] out: &mut [u32]
-) {
+pub fn main(#[spirv(descriptor_set = 0, binding = 0, storage_buffer)] out: &mut [u32]) {
     let result = disassemble();
     for i in 0..result.len() {
         out[i] = result[i];
     }
 }
 
-pub fn disassemble() -> [u32; 8] {
+pub fn disassemble() -> [u32; 12] {
     // Test with various types
     let x = 42i32;
     let y = black_box(x);
@@ -37,5 +35,20 @@ pub fn disassemble() -> [u32; 8] {
     let data = 100u32;
     let ref_data = black_box(&data);
 
-    [y as u32, f32::to_bits(b), w[0], w[1], w[2], w[3], result, *ref_data]
+    let ref_slice = black_box(v.as_slice());
+
+    [
+        y as u32,
+        f32::to_bits(b),
+        w[0],
+        w[1],
+        w[2],
+        w[3],
+        result,
+        *ref_data,
+        ref_slice[0],
+        ref_slice[1],
+        ref_slice[2],
+        ref_slice[3],
+    ]
 }