[patch] mkinitcpio segfaults sometimes (with bash 'devel', but not with bash 5.0.007)

[howaboutsynergy]

please see patch(and info) in 
https://gist.github.com/howaboutsynergy/3e7237a53dbd102f821650b97b9bde57#gistcomment-2961148
(patch also attached)

Configuration Information [Automatically generated, do not change]:
Machine: x86_64
OS: linux-gnu
Compiler: gcc
Compilation CFLAGS: -pipe -march=native -Wno-trigraphs -fno-schedule-insns2 
-fno-delete-null-pointer-checks -mtune=native -fomit-frame-pointer -O2 
-D_FORTIFY_SOURCE=2 
-DDEFAULT_PATH_VALUE='/usr/local/sbin:/usr/local/bin:/usr/bin' 
-DSTANDARD_UTILS_PATH='/usr/bin' -DSYS_BASHRC='/etc/bash.bashrc' 
-DSYS_BASH_LOGOUT='/etc/bash.bash_logout' -DNON_INTERACTIVE_LOGIN_SHELLS 
-fstack-protector-strong -fno-omit-frame-pointer -ftrack-macro-expansion=2 
-ggdb -fvar-tracking-assignments -O0 -Wno-parentheses -Wno-format-security
uname output: Linux i87k 5.2.0-rc7-g6fbc7275c7a9 #15 SMP Wed Jul 3 00:43:14 
CEST 2019 x86_64 GNU/Linux
Machine Type: x86_64-pc-linux-gnu

Bash Version: 5.0
Patch Level: 7
Release Status: maint


all other details got lost when I answered 'n' to:
Send bug report to bug-bash@gnu.org? [y/n] 

(and I don't feel like typing all that again)
but all you need to know is already in that gist comment anyway

thanks.

leone.patch
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