1 files changed, 13 insertions, 0 deletions
diff --git a/clang/test/Misc/diag-line-wrapping.cpp b/clang/test/Misc/diag-line-wrapping.cpp
new file mode 100644
index 0000000..830aa13
--- /dev/null
+++ b/clang/test/Misc/diag-line-wrapping.cpp
@@ -0,0 +1,13 @@
+// RUN: %clang_cc1 -fsyntax-only -fmessage-length 60 %s 2>&1 | FileCheck %s
+
+struct B { void f(); };
+struct D1 : B {};
+struct D2 : B {};
+struct DD : D1, D2 {
+  void g() { f(); }
+  // Ensure that after line-wrapping takes place, we preserve artificial
+  // newlines introduced to manually format a section of the diagnostic text.
+  // CHECK: {{.*}}: error:
+  // CHECK: struct DD -> struct D1 -> struct B
+  // CHECK: struct DD -> struct D2 -> struct B
+}