added 3.6 sse4-i16x8 compfails to fail_db
Merge pull request #841 from ncos/knc_faildb

added 3.6 sse4-i16x8 compfails to fail_db
add 12 runfails first appeared in LLVM 3.5 trunk on 26/07/14. these are now in trunk 3.6. erroneous commit 213898
Merge pull request #842 from ncos/knc_faildb

add 12 runfails first appeared in LLVM 3.5 trunk on 26/07/14
compfails also appeared after LLVM commit 214628 (tracker id 20540)
Merge pull request #843 from ncos/knc_faildb

compfails also appeared after LLVM commit 214628 (tracker id 20540)
changed examples` debug flags for Windows: added -g, -O2 switched to -O0
made ISPC + LLVM-trunk compile on Windows
Merge pull request #844 from aguskov/build_flags

- build fix on Windows for 3.5 and 3.6
- ispc flags in examples in Debug mode where switched to -O0 -g from -O2.