Wow, Herman!  Thank you, that was fast. Can you give some insight as to how
you found it so quickly?

On Wed, Oct 15, 2025, 1:11 AM Herman ten Brugge via Tinycc-devel <
[email protected]> wrote:

> Op 14-10-2025 om 21:52 schreef Eric Raible:
>
> TCCStates should (obviously) be completely independent.
> But this corner case shows that a syntax error in the first
> one prevents subsequent TCCStates from failing on *correct code*.
> My guess would be that a longjmp while processing the syntax
> error in the global declaration skips the reset of something associated
> with symbol tables.
>
> This is as far as I got: In the non-error case, the first name that
> relocate_syms() finds is "memset".  In the error case, the first name
> that it finds is "L.2".  That's probably a good clue for people smarter
> than me.  The memset is probably required to initialize the stack-allocated
> struct, but for some reason things work when that struct is explicitly
> declared (vs. initialized inline).
>
> The code below shows the error when run with an argument.
> It works as expected with no arguments.  [I apologize for any
> formatting errors, I suck at getting gmail to do what I intend.]
>
>
> I pushed a patch to mob.
> The global variable 'global_expr' in tccgen.c was not initialized every
> time.
>
>     Herman
> _______________________________________________
> Tinycc-devel mailing list
> [email protected]
> https://lists.nongnu.org/mailman/listinfo/tinycc-devel
>
_______________________________________________
Tinycc-devel mailing list
[email protected]
https://lists.nongnu.org/mailman/listinfo/tinycc-devel

Reply via email to