diff --git a/gdb/dwarf2/cu.c b/gdb/dwarf2/cu.c
index e95208e2e75..af95725ebcf 100644
--- a/gdb/dwarf2/cu.c
+++ b/gdb/dwarf2/cu.c
@@ -39,6 +39,7 @@ dwarf2_cu::dwarf2_cu (dwarf2_per_cu_data *per_cu,
     producer_is_icc (false),
     producer_is_icc_lt_14 (false),
     producer_is_codewarrior (false),
+    producer_is_clang (false),
     processing_has_namespace_info (false),
     load_all_dies (false)
 {