Don't emit .debug_line header data if there aren't any lines to put in it,
authorDan Gohman <gohman@apple.com>
Mon, 24 Sep 2007 21:43:52 +0000 (21:43 +0000)
committerDan Gohman <gohman@apple.com>
Mon, 24 Sep 2007 21:43:52 +0000 (21:43 +0000)
commit81a148bd567f528baacb33b62c1b1c28dcc6a544
tree18f32791d22ca033acdc74fb4b3764c4ae87adfc
parent44de9267c30e9ad393391aa7fbcefddc8a5a803b
Don't emit .debug_line header data if there aren't any lines to put in it,
such as will happen when .loc directives are used.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42277 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/DwarfWriter.cpp