Updates TestLongjump to ensure that compiler optimizations don't affect the
mapping of source to assembly so that the same test script can be used
with more compilers.

Patch by Andy Kaylor!

Also marks the LLDB test of template parameters as xfail on icc.


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@187600 91177308-0d34-0410-b5e6-96231b3b80d8