bug#57484: 29.0.50; ASAN error in make check

[Gerd Möllmann]

A bit better to reproduce with

cd test
../src/emacs --no-init-file --no-site-file --no-site-lisp -L ":." -l ert \
-l src/fns-tests --batch

The error happens when loading fns-tests

(lldb) xbacktrace
(unsigned char *) data = 0x0000000100a27e20 "read"
(unsigned char *) data = 0x0000000100a25760 "load"
(unsigned char *) data = 0x000000010a69daed "command-line-1"
(unsigned char *) data = 0x000000010a69fd67 "command-line"
(unsigned char *) data = 0x000000010a6a0cb7 "normal-top-level"