Let the formatter ignore UnwrappedLines containing errors.

This prevents code like:

namespace {
class Foo {
  Foo(
  };
}  // comment

from causing segfaults (see llvm.org/PR14774).

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171495 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 7 insertions, 0 deletions

diff --git a/unittests/Format/FormatTest.cpp b/unittests/Format/FormatTest.cpp
index e713280d91..8eadb545f7 100644
--- a/unittests/Format/FormatTest.cpp
+++ b/unittests/Format/FormatTest.cpp
@@ -859,6 +859,13 @@ TEST_F(FormatTest, IncorrectCodeDoNoWhile) {
                "};");
 }
 
+TEST_F(FormatTest, DoesNotTouchUnwrappedLinesWithErrors) {
+  verifyFormat("namespace {\n"
+               "class Foo {\n"
+               "  Foo  ( };\n"
+               "}  // comment");
+}
+
 TEST_F(FormatTest, IncorrectCodeErrorDetection) {
   EXPECT_EQ("{\n{\n}\n", format("{\n{\n}\n"));
   EXPECT_EQ("{\n  {\n}\n", format("{\n  {\n}\n"));