From 962b2210ccfe25bb87d3a13d3b8c38b1a825781f Mon Sep 17 00:00:00 2001 From: Argyrios Kyrtzidis Date: Tue, 12 Feb 2013 21:41:23 +0000 Subject: [PATCH] [preprocessing record] Add some sanity checks for the preprocessed entity index to make sure we don't crash on release if the index is not valid. rdar://13089714 llvm-svn: 175010 --- clang/lib/Lex/PreprocessingRecord.cpp | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/clang/lib/Lex/PreprocessingRecord.cpp b/clang/lib/Lex/PreprocessingRecord.cpp index d7ebeaf..c2a340c 100644 --- a/clang/lib/Lex/PreprocessingRecord.cpp +++ b/clang/lib/Lex/PreprocessingRecord.cpp @@ -92,8 +92,10 @@ bool PreprocessingRecord::isEntityInFileID(iterator PPEI, FileID FID) { int Pos = PPEI.Position; if (Pos < 0) { - assert(unsigned(-Pos-1) < LoadedPreprocessedEntities.size() && - "Out-of bounds loaded preprocessed entity"); + if (unsigned(-Pos-1) >= LoadedPreprocessedEntities.size()) { + assert(0 && "Out-of bounds loaded preprocessed entity"); + return false; + } assert(ExternalSource && "No external source to load from"); unsigned LoadedIndex = LoadedPreprocessedEntities.size()+Pos; if (PreprocessedEntity *PPE = LoadedPreprocessedEntities[LoadedIndex]) @@ -113,8 +115,10 @@ bool PreprocessingRecord::isEntityInFileID(iterator PPEI, FileID FID) { FID, SourceMgr); } - assert(unsigned(Pos) < PreprocessedEntities.size() && - "Out-of bounds local preprocessed entity"); + if (unsigned(Pos) >= PreprocessedEntities.size()) { + assert(0 && "Out-of bounds local preprocessed entity"); + return false; + } return isPreprocessedEntityIfInFileID(PreprocessedEntities[Pos], FID, SourceMgr); } -- 2.7.4