According to the spec, the three parameters (stdlib, foreign, and heap)
must be mutually distinct. We did not check this yet, which led to
observable differences between asm validation and standard JavaScript
semantics.

R=thibaudm@chromium.org

Bug: chromium:1068355
Change-Id: I451f63d10ea50474aeb6e8a547918b5af769343b
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3244408
Commit-Queue: Clemens Backes <clemensb@chromium.org>
Reviewed-by: Thibaud Michaud <thibaudm@chromium.org>
Cr-Commit-Position: refs/heads/main@{#77554}