DW_AT_stmt_list attribute attached with a compile unit encodes offset of line number...

DW_AT_stmt_list attribute attached with a compile unit encodes offset of line number information for this compile unit in debug_line section. This offset is always zero when only one compile unit is emitted in a object file.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99223 91177308-0d34-0410-b5e6-96231b3b80d8