Improve formatting of operator<< chains.

Before:
  llvm::outs() << "aaaaaaaaaaaaaaaa: " << aaaaaaaaaaaaaaaa << "aaaaaaaaaaaaaaaa: "
               << aaaaaaaaaaaaaaaa << "aaaaaaaaaaaaaaaa: " << aaaaaaaaaaaaaaaa;

After:
  llvm::outs() << "aaaaaaaaaaaaaaaa: " << aaaaaaaaaaaaaaaa
               << "aaaaaaaaaaaaaaaa: " << aaaaaaaaaaaaaaaa
               << "aaaaaaaaaaaaaaaa: " << aaaaaaaaaaaaaaaa;

llvm-svn: 186320
diff --git a/clang/lib/Format/Format.cpp b/clang/lib/Format/Format.cpp
index e1a0874..f66d95c 100644
--- a/clang/lib/Format/Format.cpp
+++ b/clang/lib/Format/Format.cpp
@@ -127,7 +127,7 @@
 
 void setDefaultPenalties(FormatStyle &Style) {
   Style.PenaltyBreakComment = 45;
-  Style.PenaltyBreakFirstLessLess = 100;
+  Style.PenaltyBreakFirstLessLess = 180;
   Style.PenaltyBreakString = 1000;
   Style.PenaltyExcessCharacter = 1000000;
 }