Link fails on vers 2.099 ; Windows version

[max haughton]

On Saturday, 23 April 2022 at 23:09:28 UTC, Jim Korman wrote:
> So, link fails on all programs I've tried it on with
>
>     OPTLINK : Warning 9: Unknown Option : LIBPATH
>     hello.obj Offset 00000H Record Type 004C
>       Error 138: Module or Dictionary corrupt
>
> This fails on vers 2.099.0 and above. Versions below that 
> compile and link with no problems.
>
> What I can see first of all is the the very first byte of the 
> .obj file is 0x4C whereas in earlier versions it is 0x80. 
> Actually the entire beginning of the object files between 
> versions is drastically different in content as well as size.
>
> I haven't found any articles addressing this.
>
> I'm using the same computer and same environment set up for 
> versions 2.096 forward and see no problems until I hit 2.099.
>
> Any help would be greatly appreciated.
>
> Jim Korman

2.099 was the first release to do use mscoff for 32 bit builds, 
which makes me think that the compiler using OPTLINK at all is 
probably a bug.