[llvm-testresults] buildbot failure in lab.llvm.org on clang-x86_64-darwin11-nobootstrap-RAincremental

[llvmlab-buildmaster at lab.llvm.org]

The Buildbot has detected a new failure on builder clang-x86_64-darwin11-nobootstrap-RAincremental while building llvm.
Full details are available at:
 http://lab.llvm.org:8013/builders/clang-x86_64-darwin11-nobootstrap-RAincremental/builds/610

Buildbot URL: http://lab.llvm.org:8013/

Buildslave for this Build: xserve5

Build Reason: Triggerable(phase1-stage0)
Build Source Stamp: 210472
Blamelist: 

BUILD FAILED: failed run.llvm.tests

sincerely,
 -The Buildbot


================================================================================

CHANGES:


LOGS:
Last 15 lines of 'stdio':
	PASS: LLVM-Unit :: Support/Release+Asserts/SupportTests/ProgramTest.TestExecuteAndWaitTimeout (18277 of 18278)
	PASS: LLVM-Unit :: Support/Release+Asserts/SupportTests/ProgramTest.TestExecuteNoWait (18278 of 18278)
	
	1 warning(s) in tests.
	Testing Time: 293.64s
	********************
	Failing Tests (1):
	    LLVM :: Instrumentation/MemorySanitizer/missing_origin.ll
	
	  Expected Passes    : 18098
	  Expected Failures  : 102
	  Unsupported Tests  : 77
	  Unexpected Failures: 1
	make[1]: *** [check-local-all] Error 1
	make: *** [check-all] Error 2

Last 15 lines of 'LLVM::missing_origin.ll':
	******************** TEST 'LLVM :: Instrumentation/MemorySanitizer/missing_origin.ll' FAILED ********************
	Script:
	--
	/Users/buildslave/zorg/buildbot/smooshlab/slave-0.8/build.clang-x86_64-darwin11-nobootstrap-RAincremental/clang-build/Release+Asserts/bin/opt < /Users/buildslave/zorg/buildbot/smooshlab/slave-0.8/build.clang-x86_64-darwin11-nobootstrap-RAincremental/llvm/test/Instrumentation/MemorySanitizer/missing_origin.ll -msan -msan-check-access-address=0 -msan-track-origins=1 -S | /Users/buildslave/zorg/buildbot/smooshlab/slave-0.8/build.clang-x86_64-darwin11-nobootstrap-RAincremental/clang-build/Release+Asserts/bin/FileCheck -check-prefix=CHECK -check-prefix=CHECK /Users/buildslave/zorg/buildbot/smooshlab/slave-0.8/build.clang-x86_64-darwin11-nobootstrap-RAincremental/llvm/test/Instrumentation/MemorySanitizer/missing_origin.ll
	--
	Exit Code: 2
	
	Command Output (stderr):
	--
	Supplied check-prefix is invalid! Prefixes must be unique and start with a letter and contain only alphanumeric characters, hyphens and underscores
	LLVM ERROR: IO failure on output stream.
	
	--
	
	********************

Last 15 lines of 'warnings (1)':
	lit.py: discovery.py:190: warning: test suite 'Extra Tools Unit Tests' contained no tests