1 files changed, 2 insertions, 0 deletions
diff --git a/src/common/dwarf/dwarf2reader.h b/src/common/dwarf/dwarf2reader.h
index 8824bf90..e4f7f495 100644
--- a/src/common/dwarf/dwarf2reader.h
+++ b/src/common/dwarf/dwarf2reader.h
@@ -140,7 +140,9 @@ class LineInfo {
   // the line info to read is.  after_header is the place right after
   // the end of the line information header.
   const char* buffer_;
+#ifndef NDEBUG
   uint64 buffer_length_;
+#endif
   const char* after_header_;
 };