Index: runtime/vm/scanner.h |
diff --git a/runtime/vm/scanner.h b/runtime/vm/scanner.h |
index 57004751a58e3e50086085ad57254d10cab40470..efa7d14e06e5349009f01381fc858c203e5dab2e 100644 |
--- a/runtime/vm/scanner.h |
+++ b/runtime/vm/scanner.h |
@@ -46,7 +46,7 @@ class Scanner : ValueObject { |
static const intptr_t kDummyTokenIndex = 0; |
// Character used to indicate a private identifier. |
- static const char kPrivateIdentifierStart = '_'; |
+ static const unsigned char kPrivateIdentifierStart = '_'; |
// Character used to separate the private identifier from the key. |
static const char kPrivateKeySeparator = '@'; |