Public bug reported:

apport's test test_add_gdb_info_abort_glib has been failing for a bit,
since zesty(?), now. Digging into this matter I discovered that using
gdb to "print __glib_assert_msg" is resulting in different behavior.

With the generated binary, it used to return the following:

$2 = 0x7fadc0 "ERROR:<stdin>:2:main: assertion failed (1 < 0): (1 < 0)"

However, now I am seeing:

(gdb) print __glib_assert_msg 
$1 = 1332592064
(gdb) print (char*) __glib_assert_msg 
$2 = 0x4f6dbdc0 <error: Cannot access memory at address 0x4f6dbdc0>

This seems to be a regression in gdb itself, I've added an apport task
though to track the disabling of the autopkgtest which utilizes this
command.

** Affects: apport (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: gdb (Ubuntu)
     Importance: Undecided
         Status: New

** Also affects: gdb (Ubuntu)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1689344

Title:
  print of __glib_assert_msg not returning a message

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