Index: tools/sancov/sancov.cc =================================================================== --- tools/sancov/sancov.cc +++ tools/sancov/sancov.cc @@ -98,10 +98,9 @@ "use_default_blacklist", cl::init(true), cl::Hidden, cl::desc("Controls if default blacklist should be used.")); -static const char *const DefaultBlacklistStr = - "fun:__sanitizer_.*\n" - "src:/usr/include/.*\n" - "src:.*/libc\\+\\+/.*\n"; +static const char *const DefaultBlacklistStr = "fun:__sanitizer_.*\n" + "src:/usr/include/.*\n" + "src:.*/libc\\+\\+/.*\n"; // --------- FORMAT SPECIFICATION --------- @@ -491,8 +490,12 @@ static ErrorOr isCoverageFile(std::string FileName) { ErrorOr> BufOrErr = MemoryBuffer::getFile(FileName); - if (!BufOrErr) + if (!BufOrErr) { + errs() << "Warning: " << BufOrErr.getError().message() << "(" + << BufOrErr.getError().value() + << "), filename: " << llvm::sys::path::filename(FileName) << "\n"; return BufOrErr.getError(); + } std::unique_ptr Buf = std::move(BufOrErr.get()); if (Buf->getBufferSize() < 8) { return false; @@ -940,7 +943,8 @@ // Partition input values into coverage/object files. for (const auto &FileName : FileNames) { auto ErrorOrIsCoverage = isCoverageFile(FileName); - FailIfError(ErrorOrIsCoverage); + if (!ErrorOrIsCoverage) + continue; if (ErrorOrIsCoverage.get()) { CovFiles.insert(FileName); } else {