Add error report when Module::GetObjectFile() fails to find a plugin to open an object file.

Change by Stephane Sezer.


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@217251 91177308-0d34-0410-b5e6-96231b3b80d8
Set the process vendor in GDBRemoteCommunicationClient::GetCurrentProcessInfo.

Change by Stephane Sezer.


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@217252 91177308-0d34-0410-b5e6-96231b3b80d8
Properly handle the DYLD attach step for GDB remotes.

Change by Stephane Sezer.


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@217253 91177308-0d34-0410-b5e6-96231b3b80d8
Merge upstream llvm.org r217253 into dev-llgs-local.

Conflicts:
	source/Plugins/DynamicLoader/POSIX-DYLD/DynamicLoaderPOSIXDYLD.cpp