[BPF] Remove exit-on-error flag in test (PR27766)

The exit-on-error flag on the many_args1.ll test is needed to avoid an
unreachable in BPFTargetLowering::LowerCall. We can also avoid it by ignoring
any superfluous arguments to the call (i.e. any arguments after the first 5).

Fixes PR27766.

Differential Revision: http://reviews.llvm.org/D20471

v2 of r270419

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270440 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed