--debug output: stdout instead of stderr
Merge pull request #525 from dbabokin/debug

--debug output: stdout instead of stderr
Tracking LLVM trunk: removing llvm::createSimplifyLibCallsPass() call
Merge pull request #526 from dbabokin/master

Tracking LLVM trunk: removing llvm::createSimplifyLibCallsPass() call
Merge branch 'master' of https://github.com/ispc/ispc
correction of --instrument option support