diff options
Diffstat (limited to 'lib/Lex/Preprocessor.cpp')
| -rw-r--r-- | lib/Lex/Preprocessor.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/Lex/Preprocessor.cpp b/lib/Lex/Preprocessor.cpp index a4ff8bb734..18b106ad84 100644 --- a/lib/Lex/Preprocessor.cpp +++ b/lib/Lex/Preprocessor.cpp @@ -84,6 +84,8 @@ Preprocessor::Preprocessor(Diagnostic &diags, const LangOptions &opts, } Preprocessor::~Preprocessor() { + assert(BacktrackPositions.empty() && "EnableBacktrack/Backtrack imbalance!"); + // Free any active lexers. delete CurLexer; |