[Bug go/81926] go/parse.o differs between stage2 and stage3 for gcc 7.2.0

["ebotcazou at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81926

--- Comment #6 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
> elfdump in Solaris says stage2 section ".debug_info" size is 0x1636a2:  
> 
> Section Header[37]:  sh_name: .debug_info
>     sh_addr:      0                   sh_flags:   0
>     sh_size:      0x1636a2            sh_type:    [ SHT_PROGBITS ]
>     sh_offset:    0x1faa0             sh_entsize: 0
>     sh_link:      0                   sh_info:    0
>     sh_addralign: 0x1
> 
> Whereas stage3 reports : 
> 
> Section Header[37]:  sh_name: .debug_info
>     sh_addr:      0                   sh_flags:   0
>     sh_size:      0x163698            sh_type:    [ SHT_PROGBITS ]
>     sh_offset:    0x1faa0             sh_entsize: 0
>     sh_link:      0                   sh_info:    0
>     sh_addralign: 0x1
> 
> 
> Not exactly 8 bytes. Looks like 10 bytes diff. All other "sh_size" section
> size data matches. 

OK, thanks, this rings a bell.  Unlike other platforms, the bootstrap process
on Solaris involves comparing the debug info, so things like this might go
unnoticed by the developers using other platforms.