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Patch request: Fix a macro expansion segfault from unchecked overflow.

From: Byron Johnson
Subject: Patch request: Fix a macro expansion segfault from unchecked overflow.
Date: Fri, 24 Jun 2022 22:29:02 -0600
Hello,

I've attached to this email a patch that fixes a segfault from ‘expand_user_macro’ so that integer overflows don't bypass the bounds check.  It applies to ‘branch-1.4’.

Byron

Attachment: 0001-Fix-a-macro-expansion-segfault-from-unchecked-overfl.patch
Description: Text Data

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