From 3eb341c4783bab96c1c2984d917b43edab47719c Mon Sep 17 00:00:00 2001
From: Daniel Jasper <djasper@google.com>
Date: Tue, 11 Nov 2014 23:04:51 +0000
Subject: [PATCH] clang-format: Improve handling of comments in binary
 expressions.

Before:
  b = a &&
      // Comment
      b.c &&
      d;

After:
  b = a &&
      // Comment
      b.c && d;

This fixes llvm.org/PR21535.

llvm-svn: 221727
---
 clang/lib/Format/TokenAnnotator.cpp   | 3 +--
 clang/unittests/Format/FormatTest.cpp | 3 +++
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/clang/lib/Format/TokenAnnotator.cpp b/clang/lib/Format/TokenAnnotator.cpp
index 715cbf0a4833..8ec8f58d1473 100644
--- a/clang/lib/Format/TokenAnnotator.cpp
+++ b/clang/lib/Format/TokenAnnotator.cpp
@@ -1149,8 +1149,7 @@ public:
           Current->OperatorIndex = OperatorIndex;
           ++OperatorIndex;
         }
-
-        next(/*SkipPastLeadingComments=*/false);
+        next(/*SkipPastLeadingComments=*/Precedence > 0);
       }
     }
   }
diff --git a/clang/unittests/Format/FormatTest.cpp b/clang/unittests/Format/FormatTest.cpp
index 1f95a89893d5..37c3c0e7528a 100644
--- a/clang/unittests/Format/FormatTest.cpp
+++ b/clang/unittests/Format/FormatTest.cpp
@@ -3118,6 +3118,9 @@ TEST_F(FormatTest, LineBreakingInBinaryExpressions) {
   verifyFormat("if ((aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ||\n"
                "     bbbbbbbbbbbbbbbbbb) && // aaaaaaaaaaaaaaaa\n"
                "    cccccc) {\n}");
+  verifyFormat("b = a &&\n"
+               "    // Comment\n"
+               "    b.c && d;");
 
   // If the LHS of a comparison is not a binary expression itself, the
   // additional linebreak confuses many people.