diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index b94aa0fbf6..6f6e6baee6 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,10 @@
+2019-06-10  Tom de Vries  <tdevries@suse.de>
+
+	PR gdb/24618
+	* dwarf2read.c (struct mapped_index::symbol_name_slot_invalid): Make
+	sure an empty slot (defined by a 32-bit zero pair) is recognized as
+	invalid.
+
 2019-06-10  Tom de Vries  <tdevries@suse.de>
 
 	PR gdb/24611
diff --git a/gdb/dwarf2read.c b/gdb/dwarf2read.c
index 9d9bc9948a..06c319dac0 100644
--- a/gdb/dwarf2read.c
+++ b/gdb/dwarf2read.c
@@ -212,7 +212,7 @@ struct mapped_index final : public mapped_index_base
   bool symbol_name_slot_invalid (offset_type idx) const override
   {
     const auto &bucket = this->symbol_table[idx];
-    return bucket.name == 0 && bucket.vec;
+    return bucket.name == 0 && bucket.vec == 0;
   }
 
   /* Convenience method to get at the name of the symbol at IDX in the