diff options
Diffstat (limited to 'llvm/lib/ProfileData/Coverage/CoverageMappingWriter.cpp')
| -rw-r--r-- | llvm/lib/ProfileData/Coverage/CoverageMappingWriter.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/llvm/lib/ProfileData/Coverage/CoverageMappingWriter.cpp b/llvm/lib/ProfileData/Coverage/CoverageMappingWriter.cpp index 6fe93530da2..4a1ce16c486 100644 --- a/llvm/lib/ProfileData/Coverage/CoverageMappingWriter.cpp +++ b/llvm/lib/ProfileData/Coverage/CoverageMappingWriter.cpp @@ -116,6 +116,13 @@ static void writeCounter(ArrayRef<CounterExpression> Expressions, Counter C, } void CoverageMappingWriter::write(raw_ostream &OS) { + // Check that we don't have any bogus regions. + assert(all_of(MappingRegions, + [](const CounterMappingRegion &CMR) { + return CMR.startLoc() <= CMR.endLoc(); + }) && + "Source region does not begin before it ends"); + // Sort the regions in an ascending order by the file id and the starting // location. Sort by region kinds to ensure stable order for tests. std::stable_sort( |
