Re: [Tinycc-devel] mob regression - compiling gawk

[Michael Matz]

Hi,

On Wed, 1 Jul 2015, Aharon Robbins wrote:

> Hi.
>
> The current mob on x86_64 no longer compiles gawk correctly. The
> generated executable does a stunning job of failing the test suite,
> dumping core multiple times.
>
>         wget http://ftp.gnu.org/gnu/gawk/gawk-4.1.3.tar.gz # latest release
>         tar -xpvzf gawk-4.1.3.tar.gz
>         ./configure CC=tcc && make
>         make check              # KABOOM!
>
> I'm using a version from mid-May and that works fine, so something
> broke in the past 6 or 7 weeks.
>
> Can someone look into this please?

It's 4e04f67c94c9, "fix-mixed-struct (patch by Pip Cet)" which breaks it. 
It changes argument passing on x86-64 in a significant way, and obviously 
there's a glitch in it.  Haven't analyzed further yet.


Ciao,
Michael.