PR26499 UBSAN: eelf32_spu.c:537 member access null pointer

[Alan Modra]

Another &p->field.

	PR 26499
	* emultempl/spuelf.em (spu_elf_relink): Check for NULL tmp_file_list.

diff --git a/ld/emultempl/spuelf.em b/ld/emultempl/spuelf.em
index 56beb84f99..fc80a40172 100644
--- a/ld/emultempl/spuelf.em
+++ b/ld/emultempl/spuelf.em
@@ -395,7 +395,7 @@ spu_elf_relink (void)
 
   memcpy (argv, my_argv, my_argc * sizeof (*argv));
   argv[my_argc++] = "--no-auto-overlay";
-  if (tmp_file_list->name == auto_overlay_file)
+  if (tmp_file_list != NULL && tmp_file_list->name == auto_overlay_file)
     argv[my_argc - 1] = concat (argv[my_argc - 1], "=",
 				auto_overlay_file, (const char *) NULL);
   argv[my_argc++] = "-T";

-- 
Alan Modra
Australia Development Lab, IBM