prospective fix for "Global variable initializer type does not match global variable type! ptr @OBJC_MODULES"

Author: jbatez

compiler/rustc_codegen_llvm/src/consts.rs

@@ -715,8 +715,7 @@ impl<'ll> CodegenCx<'ll, '_> {
         let size = self.const_uint(i32_llty, 16);
         let name = self.define_objc_classname("");
         let symtab = self.const_null(ptr_llty);
-        let packed = false;
-        let llval = self.const_struct(&[version, size, name, symtab], packed);
+        let llval = crate::common::named_struct(llty, &[version, size, name, symtab]);
 
         let sym = "OBJC_MODULES";
         let g = self.define_global(&sym, llty).unwrap_or_else(|| {