Add an empty IPI stream.
authorRui Ueyama <ruiu@google.com>
Wed, 5 Oct 2016 21:37:25 +0000 (21:37 +0000)
committerRui Ueyama <ruiu@google.com>
Wed, 5 Oct 2016 21:37:25 +0000 (21:37 +0000)
commitd381c9842b059d3eef123c76d336881da81aff97
treec53ed8bc76a6408da8548ad85a5d8e064148debf
parentc1051ab26e8b2182268130343b9b11e2e4b61df2
Add an empty IPI stream.

With this, "llvm-pdbdump yaml -ipi-stream" prints out an IPI stream.
Previously it crashed because it can't handle the case where IPI
stream doesn't exist.

llvm-svn: 283392
lld/COFF/PDB.cpp
lld/test/COFF/pdb.test