On x86_64-apple-darwin12, I am seeing regressions in the current
llvm 3.4 release branch during 'make check'...
Scanning dependencies of target check-llvm
[100%] Running the LLVM regression tests
FAIL: LLVM :: CodeGen/Generic/isel-optnone.ll (1362 of 9265)
******************** TEST 'LLVM :: CodeGen/Generic/isel-optnone.ll' FAILED ********************
Script: