Re: [Tinycc-devel] Fwd: TCC VLA bug?

[Herman ten Brugge]

On 12/1/21 15:18, grischka wrote:

> Got this
>       report on private email.  Not sure what it means ...
>       
>       ---------------------------------------------------------->>
>       
>       
>       Output of the code below if compiled with TCC is pretty messy:
>       
>       array values are "misplaced" and overwrite each other.
>       
>       But everything's ok if compiled with GCC.
>       
>       
>     
    
    The patch below seems to fix it. Can I push it?
    
        Herman
    
    diff
        --git a/tccgen.c b/tccgen.c
      
      index
        e0b5fd6..67e205b 100644
      
      ---
        a/tccgen.c
      
      +++
        b/tccgen.c
      
      @@ -3494,7
        +3494,7 @@ redo:
      
                      gen_cast_s(VT_INT);
      
      #endif
      
                  type1 = vtop[-1].type;
      
      -
                   if (vtop[-1].type.t & VT_VLA)
      
      +
                   if (vtop[-1].type.ref->type.t & VT_VLA)
      
                      vla_runtime_pointed_size(&vtop[-1].type);
      
                  else {
      
                      u = pointed_size(&vtop[-1].type);