test: add notinheap test that caused a gofrontend crash
test: add notinheap test that caused a gofrontend crash

Change-Id: Ie949f2131845f9f9292caff798f6933648779122
Reviewed-on: https://go-review.googlesource.com/c/go/+/385434
Trust: Ian Lance Taylor <87e9c6d529889242b7e184afb632328636553ab4@golang.org>
Run-TryBot: Ian Lance Taylor <87e9c6d529889242b7e184afb632328636553ab4@golang.org>
TryBot-Result: Gopher Robot <66cb808b70d30c07676d5e946fee83fd561249e5@golang.org>
Reviewed-by: Than McIntosh <4b2922593166fc595a9b1a408f34f5d3817fe9d2@google.com>

nawawi/go,nawawi/go,cloudflare/go,CAFxX/go,golang/go,CAFxX/go,golang/go,CAFxX/go,CAFxX/go,golang/go,cloudflare/go,nawawi/go,golang/go,CAFxX/go,cloudflare/go,golang/go,nawawi/go,cloudflare/go,cloudflare/go,CAFxX/go,nawawi/go,nawawi/go,CAFxX/go,cloudflare/go,golang/go,cloudflare/go,golang/go,golang/go,cloudflare/go,nawawi/go,CAFxX/go,nawawi/go