[google/4.6] Fix problems with -gfission (issue5844043)

This is for the google/gcc-4_6 branch only. This revised patch fixes several problems with -gfission: - Bad index for range list in the compile unit DIE. - DW_AT_ranges attribute for compile unit in the wrong file. - Incorrect size for skeleton type unit DIEs. - Wrote location expression

[google/4.6] Fix problems with -gfission (issue5844043)

For google/gcc-4_6 branch. This patch fixes several problems with -gfission: - Bad index for range list in the compile unit DIE. - DW_AT_ranges attribute for compile unit in the wrong file. - Incorrect size for skeleton type unit DIEs. - Wrote location expression using DW_OP_addr to DWO file.