From 9b2c45398fdd2d57aa8ac9ba5f7beaf2f5335602 Mon Sep 17 00:00:00 2001
From: Manuel Klimek <klimek@google.com>
Date: Wed, 12 Aug 2015 07:57:16 +0000
Subject: [PATCH] Reinstantiate better diagnostic, this time with a fatal error
 so we don't add a dependency onto gtest from the header.

llvm-svn: 244722
---
 clang-tools-extra/unittests/clang-tidy/ClangTidyTest.h | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/clang-tools-extra/unittests/clang-tidy/ClangTidyTest.h b/clang-tools-extra/unittests/clang-tidy/ClangTidyTest.h
index 642057b..62f45bc 100644
--- a/clang-tools-extra/unittests/clang-tidy/ClangTidyTest.h
+++ b/clang-tools-extra/unittests/clang-tidy/ClangTidyTest.h
@@ -76,8 +76,13 @@ runCheckOnCode(StringRef Code, std::vector<ClangTidyError> *Errors = nullptr,
                               FileContent.second);
   }
   Invocation.setDiagnosticConsumer(&DiagConsumer);
-  if (!Invocation.run())
-    return "";
+  if (!Invocation.run()) {
+    std::string ErrorText;
+    for (const auto &Error:Context.getErrors()) {
+      ErrorText += Error.Message.Message + "\n";
+    }
+    llvm::report_fatal_error(ErrorText);
+  }
 
   DiagConsumer.finish();
   tooling::Replacements Fixes;
-- 
2.7.4