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-rw-r--r--bfd/ChangeLog5
-rw-r--r--bfd/dwarf2.c3
2 files changed, 7 insertions, 1 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index af04da9..57f5ad3 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,5 +1,10 @@
2017-09-24 Alan Modra <amodra@gmail.com>
+ PR 22167
+ * dwarf2.c (scan_unit_for_symbols): Check u.blk->data is non-NULL.
+
+2017-09-24 Alan Modra <amodra@gmail.com>
+
PR 22166
* elf.c (_bfd_elf_slurp_version_tables): Test sh_info on
SHT_GNU_verneed section for sanity. Don't zalloc memory for
diff --git a/bfd/dwarf2.c b/bfd/dwarf2.c
index 856c963..d1cf1aa 100644
--- a/bfd/dwarf2.c
+++ b/bfd/dwarf2.c
@@ -3210,7 +3210,8 @@ scan_unit_for_symbols (struct comp_unit *unit)
case DW_FORM_block2:
case DW_FORM_block4:
case DW_FORM_exprloc:
- if (*attr.u.blk->data == DW_OP_addr)
+ if (attr.u.blk->data != NULL
+ && *attr.u.blk->data == DW_OP_addr)
{
var->stack = 0;