Fix bug discovered by valgrind.
authorDaniel Jasper <djasper@google.com>
Mon, 21 Jan 2013 14:18:28 +0000 (14:18 +0000)
committerDaniel Jasper <djasper@google.com>
Mon, 21 Jan 2013 14:18:28 +0000 (14:18 +0000)
commitd41ee2d2af81f94d51d25cf82d56309fe51a930d
tree4b4ef55ecb4f5b21ca76ed4ade1a0af9c38bf30a
parentd5e782b010927328d1acde9940552c3f2dbff3e4
Fix bug discovered by valgrind.

When trying to merge lines, we should not touch lines that are invalid,
as we don't know how long they might be.

llvm-svn: 173043
clang/lib/Format/Format.cpp