在构建Swift 5.0工具链时，LLDB测试失败。
样本测试失败：
Testing: 0 .
FAIL: lldb-Suite :: benchmarks/disassembly/TestXcode41Vs42GDBDisassembly.py (116 of 1566)
******************** TEST 'lldb-Suite :: benchmarks/disassembly/TestXcode41Vs42GDBDisassembly.py' FAILED ********************
lldb version 7.0.0 (https://github.com/apple/swift-lldb.git revision 450ac50b3d6c87b246f22f6a883b15c02f372e0c)
Swift-5.0 (revision f6eeb3adca4f6ed7e66d4463883540c361e8f2cf)
clang revision ad7fb41b1dc11fb61584125212aec259ebc583db
llvm revision f63b283c7143aef31863d5915c28ee79ed390be3
LLDB library dir: /root/swift-source/build/buildbot_linux/lldb-linux-powerpc64le/bin
LLDB import library dir: /root/swift-source/build/buildbot_linux/lldb-linux-powerpc64le/bin
Traceback (most recent call last):
File "/root/swift-source/lldb/test/dotest.py", line 7, in
lldbsuite.test.run_suite()
File "/root/swift-source/lldb/packages/Python/lldbsuite/test/dotest.py", line 1258, in run_suite
import lldb
File "/root/swift-source/build/buildbot_linux/lldb-linux-powerpc64le/lib/python3.5/site-packages/lldb/init.py", line 53, in
_lldb = swig_import_helper()
File "/root/swift-source/build/buildbot_linux/lldb-linux-powerpc64le/lib/python3.5/site-packages/lldb/init.py", line 49, in swig_import_helper
_mod = imp.load_module('_lldb', fp, pathname, description)
ImportError: dynamic module does not define init function (init_lldb)
Expected Passes : 635
Unsupported Tests : 48
Unexpected Failures: 883