[DynInst_API:] [dyninst/dyninst] c8a311: Revert "Remove undefined behavior"

[Tim Haines <noreply@xxxxxxxxxx>]

  Branch: refs/heads/thaines/refactor_dwarfWalker_dieRanges
  Home:   https://github.com/dyninst/dyninst
  Commit: c8a31191d7a6d7440a8f0f4e2d2b5f375642b2c4
      https://github.com/dyninst/dyninst/commit/c8a31191d7a6d7440a8f0f4e2d2b5f375642b2c4
  Author: Tim Haines <thaines.astro@xxxxxxxxx>
  Date:   2023-09-22 (Fri, 22 Sep 2023)

  Changed paths:
    M symtabAPI/src/dwarfWalker.C

  Log Message:
  -----------
  Revert "Remove undefined behavior"

The rules for this have changed since C++0x. Compilers may assume that
threads of execution will terminate if they make calls to IO.

This reverts commit 290223cfd5ef6e88176de14b10665fcbe0f3b848.