diff options
Diffstat (limited to 'lib/Basic/SourceManager.cpp')
| -rw-r--r-- | lib/Basic/SourceManager.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/Basic/SourceManager.cpp b/lib/Basic/SourceManager.cpp index a4f4f9d366..dfd2a1baf4 100644 --- a/lib/Basic/SourceManager.cpp +++ b/lib/Basic/SourceManager.cpp @@ -2039,8 +2039,11 @@ bool SourceManager::isBeforeInTranslationUnit(SourceLocation LHS, std::pair<FileID, unsigned> LOffs = getDecomposedLoc(LHS); std::pair<FileID, unsigned> ROffs = getDecomposedLoc(RHS); + // getDecomposedLoc may have failed to return a valid FileID because, e.g. it + // is a serialized one referring to a file that was removed after we loaded + // the PCH. if (LOffs.first.isInvalid() || ROffs.first.isInvalid()) - return false; + return LOffs.first.isInvalid(); // If the source locations are in the same file, just compare offsets. if (LOffs.first == ROffs.first) |