fix rustc to run kernels!

Author: ZuseZ4

compiler/rustc_codegen_llvm/src/builder/gpu_offload.rs

@@ -224,8 +224,9 @@ fn gen_define_handling<'ll>(
     // or both to and from the gpu (=3). Other values shouldn't affect us for now.
     // A non-mutable reference or pointer will be 1, an array that's not read, but fully overwritten
     // will be 2. For now, everything is 3, until we have our frontend set up.
+    // 1+2+32: 1 (MapTo), 2 (MapFrom), 32 (Add extra input ptr once, idk, figure out later)
     let o_types =
-        add_priv_unnamed_arr(&cx, &format!(".offload_maptypes.{num}"), &vec![3; num_ptr_types]);
+        add_priv_unnamed_arr(&cx, &format!(".offload_maptypes.{num}"), &vec![1+2+32; num_ptr_types]);
     // Next: For each function, generate these three entries. A weak constant,
     // the llvm.rodata entry name, and  the llvm_offload_entries value