[ELF] - Add test case to cover "corrupted CIE (failed to read LEB128)" error.
[ELF] - Add test case to cover "corrupted CIE (failed to read LEB128)" error.

It is the following line:
https://github.com/llvm-mirror/lld/blob/master/ELF/EhFrame.cpp#L120

We did not cover it yet.

git-svn-id: f6089bf0e6284f307027cef4f64114ee9ebb0424@335833 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/lld,llvm-mirror/lld