Backport #8007: backport r39282

• Status: Closed
• Assignee: nagachika (Tomoyuki Chikanaga)

[nagachika (Tomoyuki Chikanaga)]

r39282 seems fix a potential bug.

[nagachika (Tomoyuki Chikanaga)]

• Status changed from Assigned to Closed
• % Done changed from 0 to 100

This issue was solved with changeset r39569.
Tomoyuki, thank you for reporting this issue.
Your contribution to Ruby is greatly appreciated.
May Ruby be with you.

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merge revision(s) 39282: [Backport #8007]

* vm.c (ENV_IN_HEAP_P): fix off-by-one error.