[clang-format] Fix comment indentation in text protos

Summary: This patch fixes a bug where the comment indent of comments in text protos gets messed up because by default paren states get created with AlignColons = true (which makes snese for ObjC).

Subscribers: klimek, cfe-commits

Differential Revision: https://reviews.llvm.org/D43194

llvm-svn: 324896
diff --git a/clang/lib/Format/ContinuationIndenter.cpp b/clang/lib/Format/ContinuationIndenter.cpp
index 109dd17..64d8bb7 100644
--- a/clang/lib/Format/ContinuationIndenter.cpp
+++ b/clang/lib/Format/ContinuationIndenter.cpp
@@ -200,6 +200,7 @@
     // global scope.
     State.Stack.back().AvoidBinPacking = true;
     State.Stack.back().BreakBeforeParameter = true;
+    State.Stack.back().AlignColons = false;
   }
 
   // The first token has already been indented and thus consumed.
diff --git a/clang/unittests/Format/FormatTestTextProto.cpp b/clang/unittests/Format/FormatTestTextProto.cpp
index de9225d..84faccb 100644
--- a/clang/unittests/Format/FormatTestTextProto.cpp
+++ b/clang/unittests/Format/FormatTestTextProto.cpp
@@ -313,5 +313,17 @@
       "  text: \"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaasaaaaaaaaaa\"\n"
       "}");
 }
+
+TEST_F(FormatTestTextProto, KeepsCommentsIndentedInList) {
+  verifyFormat("aaaaaaaaaa: 100\n"
+               "bbbbbbbbbbbbbbbbbbbbbbbbbbb: 200\n"
+               "# Single line comment for stuff here.\n"
+               "cccccccccccccccccccccccc: 3849\n"
+               "# Multiline comment for stuff here.\n"
+               "# Multiline comment for stuff here.\n"
+               "# Multiline comment for stuff here.\n"
+               "cccccccccccccccccccccccc: 3849");
+}
+
 } // end namespace tooling
 } // end namespace clang