Don't divide L and #x in macro definitions. Fixes http://llvm.org/PR17144

Reviewers: djasper

Reviewed By: djasper

CC: cfe-commits, klimek

Differential Revision: http://llvm-reviews.chandlerc.com/D1639

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@190408 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/unittests/Format/FormatTest.cpp b/unittests/Format/FormatTest.cpp
index c7991b4..7f6956e 100644
--- a/unittests/Format/FormatTest.cpp
+++ b/unittests/Format/FormatTest.cpp
@@ -1930,6 +1930,7 @@
 }
 
 TEST_F(FormatTest, HashInMacroDefinition) {
+  EXPECT_EQ("#define A(c) L#c", format("#define A(c) L#c", getLLVMStyle()));
   verifyFormat("#define A \\\n  b #c;", getLLVMStyleWithColumns(11));
   verifyFormat("#define A  \\\n"
                "  {        \\\n"