mesh shader ext: added test for task shader mispile when shader may panic

Author: Firestar99

tests/ui/arch/task_shader_mispile.rs

@@ -0,0 +1,14 @@
+// build-pass
+// only-vulkan1.2
+// compile-flags: -Ctarget-feature=+MeshShadingEXT,+ext:SPV_EXT_mesh_shader
+
+use spirv_std::arch::emit_mesh_tasks_ext;
+use spirv_std::spirv;
+
+#[spirv(task_ext(threads(1)))]
+pub fn main(#[spirv(push_constant)] push: &u32) {
+    let count = 20 / *push;
+    unsafe {
+        emit_mesh_tasks_ext(1, 2, 3);
+    }
+}