Preserve message printed before abort.

The terminal output etc is not visible in a core file.  The new
libc-internal variable __abort_msg will point to a string with the
message which has been printed before the abort in case abort is
called from inside libc.  BZ #10217

1 files changed, 2 insertions, 0 deletions

diff --git a/stdlib/Versions b/stdlib/Versions
index 93c68f6e31..3e7b8921c4 100644
--- a/stdlib/Versions
+++ b/stdlib/Versions
@@ -104,5 +104,7 @@ libc {
     # functions which have an additional interface since they are
     # are cancelable.
     __libc_system;
+    # Variable which needs a dynamic symbol table entry.
+    __abort_msg;
   }
 }