[Bug libgomp/111413] libgomp >= 13 segfault on loading if environ is NULL

[jakub at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111413

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Ever confirmed|0                           |1
             Status|UNCONFIRMED                 |ASSIGNED
           Assignee|unassigned at gcc dot gnu.org      |jakub at gcc dot gnu.org
   Last reconfirmed|                            |2023-09-18

--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 55920
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=55920&action=edit
gcc14-pr111413.patch

Untested fix.  Large patch but in the end it is just
--- libgomp/env.c
+++ libgomp/env.c
@@ -2224,6 +2224,7 @@ initialize_env (void)
   none = gomp_get_initial_icv_item (GOMP_DEVICE_NUM_FOR_NO_SUFFIX);
   initialize_icvs (&none->icvs);

+  if (environ)
     for (env = environ; *env != 0; env++)
       {
        if (!startswith (*env, "OMP_"))
plus reindentation.