Index: tools/gn/unique_vector.h |
diff --git a/tools/gn/unique_vector.h b/tools/gn/unique_vector.h |
index 207b9f2e648a7c468f8697b3d5aaba621a6ac44c..b5bc65d03b17dc95f0b54492dc52a00240650360 100644 |
--- a/tools/gn/unique_vector.h |
+++ b/tools/gn/unique_vector.h |
@@ -33,7 +33,7 @@ class UniquifyRef { |
} |
// Initialize with a pointer to a value. |
- UniquifyRef(const T* v) |
+ explicit UniquifyRef(const T* v) |
: value_(v), |
vect_(nullptr), |
index_(static_cast<size_t>(-1)) { |