Alp Toker 03e4f23b0c Tweak r199835 to use can_execute() instead of exists()
The execution code path crashes if it can't execute the binary so we might as
well take precautions here.

llvm-svn: 199844
2014-01-22 22:17:51 +00:00
..
2014-01-15 08:21:38 +00:00
2014-01-22 03:12:43 +00:00
2014-01-20 15:47:15 +00:00