Fixes handling of empty lines in macros.

Now correctly formats:
 #define A \
   \
   b;
to
 #define A b;

Added the state whether an unwrapped line is a macro to the debug
output.

git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@174878 91177308-0d34-0410-b5e6-96231b3b80d8
Fix invalid formatting with spaces before trailing comments.

In google style, trailing comments are separated by two spaces. This
patch fixes the counting of these spaces and prevents clang-format from
creating a line with 81 columns.

git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@174879 91177308-0d34-0410-b5e6-96231b3b80d8
Get rid of manual debug output, now that the test runner supports it.

You can run tests with -debug instead now.

git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@174880 91177308-0d34-0410-b5e6-96231b3b80d8