RUN: a
RUN: b || true
as "a && (b || true)" in Tcl mode, and as "(a && b) || true" in sh mode.
Everyone seems to (quite reasonably) write tests assuming the Tcl behavior,
so use that in sh mode too.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169441 91177308-0d34-0410-b5e6-96231b3b80d8