[Bug build/26779] benign use after realloc at localealias.c:329

[msebor at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=26779

--- Comment #5 from Martin Sebor <msebor at gmail dot com> ---
The -Wunse-after-free patch was just approved for GCC 12.  I'm retesting it and
barring serious problems I plan to commit it over the weekend or early next
week.

For reference, the instances of the warning I see with the top of GCC and Glibc
trunks are:

-Wuse-after-free Instances:
  ldconfig.c:739
  localealias.c:329
  localealias.c:335
  setenv.c:162
  ../sysdeps/wordsize-64/../../io/ftw.c:330

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