Even if the instructions cannot be dissembled, it still often helps to
know which range of instructions belongs to which function. Thus print
this information on --print-wasm-code if the disassembler is not
available.

R=thibaudm@chromium.org

Change-Id: I9e7a4cb6ae4edf3411740fe4dfee248a5b9439ec
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3563564Reviewed-by: Thibaud Michaud <thibaudm@chromium.org>
Commit-Queue: Clemens Backes <clemensb@chromium.org>
Cr-Commit-Position: refs/heads/main@{#79734}