[Bug bootstrap/124602] [9..16] regression: [unexpected EOF while looking for matching `"'] while /bin/sh is parsing $(BASE_FLAGS_TO_PASS)

[zack+gcc at buhman dot org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=124602

--- Comment #1 from Zack Buhman <zack+gcc at buhman dot org> ---
Created attachment 63995
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=63995&action=edit
Makefile