Fix expression breaking for one-parameter-per-line styles.

Before:
  if (aaaaaaaaaaaaaaaaaaaaaaaaaaaa || aaaaaaaaaaaaaaaaaaaaaaaaaaaa ||
      aaaaaaaaaaaaaaaaaaaaaaaaaaaa ||
      aaaaaaaaaaaaaaaaaaaaaaaaaaaa ||
      aaaaaaaaaaaaaaaaaaaaaaaaaaaa) {}
After:
  if (aaaaaaaaaaaaaaaaaaaaaaaaaaaa || aaaaaaaaaaaaaaaaaaaaaaaaaaaa ||
      aaaaaaaaaaaaaaaaaaaaaaaaaaaa || aaaaaaaaaaaaaaaaaaaaaaaaaaaa ||
      aaaaaaaaaaaaaaaaaaaaaaaaaaaa) {}

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@181828 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/unittests/Format/FormatTest.cpp b/unittests/Format/FormatTest.cpp
index 665f203..206343b 100644
--- a/unittests/Format/FormatTest.cpp
+++ b/unittests/Format/FormatTest.cpp
@@ -1646,6 +1646,14 @@
                "    SourceMgr.getSpellingColumnNumber(\n"
                "        TheLine.Last->FormatTok.Tok.getLocation()) -\n"
                "    1);");
+
+  FormatStyle OnePerLine = getLLVMStyle();
+  OnePerLine.BinPackParameters = false;
+  verifyFormat(
+      "if (aaaaaaaaaaaaaaaaaaaaaaaaaaaa || aaaaaaaaaaaaaaaaaaaaaaaaaaaa ||\n"
+      "    aaaaaaaaaaaaaaaaaaaaaaaaaaaa || aaaaaaaaaaaaaaaaaaaaaaaaaaaa ||\n"
+      "    aaaaaaaaaaaaaaaaaaaaaaaaaaaa) {\n}",
+      OnePerLine);
 }
 
 TEST_F(FormatTest, ExpressionIndentation) {