Attempt #2 to unbreak bots broken by r273596.

Some of the bots running GCC 4.7 seem to be having trouble with lambdas
that explicitly capture `this`. Relevant-looking bug:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53137


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@273613 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed