[clang][bytecode][test] Specify triple for Invalid.cpp

This should unbreak that test on 32bit builders, e.g.
https://lab.llvm.org/buildbot/#/builders/154/builds/24509

Author: tbaederr

clang/test/AST/ByteCode/invalid.cpp

@@ -1,5 +1,5 @@
-// RUN: %clang_cc1 -fcxx-exceptions -std=c++20 -fexperimental-new-constant-interpreter -verify=expected,both %s
-// RUN: %clang_cc1 -fcxx-exceptions -std=c++20                                         -verify=ref,both %s
+// RUN: %clang_cc1 -triple x86_64 -fcxx-exceptions -std=c++20 -fexperimental-new-constant-interpreter -verify=expected,both %s
+// RUN: %clang_cc1 -triple x86_64 -fcxx-exceptions -std=c++20                                         -verify=ref,both %s
 
 namespace Throw {