PR22212, memory leak in nm

[Alan Modra]

	PR 22212
	* dwarf2.c (_bfd_dwarf2_cleanup_debug_info): Free
	funcinfo_hash_table and varinfo_hash_table.

diff --git a/bfd/dwarf2.c b/bfd/dwarf2.c
index 248e621..ef380dd6 100644
--- a/bfd/dwarf2.c
+++ b/bfd/dwarf2.c
@@ -4927,6 +4927,10 @@ _bfd_dwarf2_cleanup_debug_info (bfd *abfd, void **pinfo)
 	}
     }
 
+  if (stash->funcinfo_hash_table)
+    bfd_hash_table_free (&stash->funcinfo_hash_table->base);
+  if (stash->varinfo_hash_table)
+    bfd_hash_table_free (&stash->varinfo_hash_table->base);
   if (stash->dwarf_abbrev_buffer)
     free (stash->dwarf_abbrev_buffer);
   if (stash->dwarf_line_buffer)

-- 
Alan Modra
Australia Development Lab, IBM