1 files changed, 15 insertions, 0 deletions
diff --git a/clang/unittests/Format/FormatTestComments.cpp b/clang/unittests/Format/FormatTestComments.cpp
index e89f1d9cde9..cacd2024fef 100644
--- a/clang/unittests/Format/FormatTestComments.cpp
+++ b/clang/unittests/Format/FormatTestComments.cpp
@@ -3090,6 +3090,21 @@ TEST_F(FormatTestComments, BreaksBeforeTrailingUnbreakableSequence) {
                getLLVMStyleWithColumns(23));
 }
 
+TEST_F(FormatTestComments, ReflowBackslashCrash) {
+// clang-format off
+  EXPECT_EQ(
+"// How to run:\n"
+"// bbbbb run \\\n"
+"// rrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr\n"
+"// \\ <log_file> -- --output_directory=\"<output_directory>\"",
+  format(
+"// How to run:\n"
+"// bbbbb run \\\n"
+"// rrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr \\\n"
+"// <log_file> -- --output_directory=\"<output_directory>\""));
+// clang-format on
+}
+
 } // end namespace
 } // end namespace format
 } // end namespace clang