[Mesa-stable] [Mesa-dev] [PATCH] glsl: handle error case with ast_post_inc, ast_post_dec

[Andres Gomez]

Just Ccing Dylan ...

On Fri, 2018-08-10 at 08:10 +0300, Tapani Pälli wrote:
> On 08/09/2018 03:24 PM, Andres Gomez wrote:
> > Tapani, should we also include this in the stable queues ?
> 
> I was not sure if this is 'critical enough' for stable, but yes I'm OK 
> including it there!
> 
> Thanks;
> 
> > On Tue, 2018-08-07 at 08:20 +0300, Tapani Pälli wrote:
> > > Return ir_rvalue::error_value with ast_post_inc, ast_post_dec if
> > > parser error was emitted previously. This way process_array_size
> > > won't see bogus IR generated like with commit 9c676a64273.
> > > 
> > > Signed-off-by: Tapani Pälli <tapani.palli at intel.com>
> > > Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=98699
> > > ---
> > >   src/compiler/glsl/ast_to_hir.cpp | 5 +++++
> > >   1 file changed, 5 insertions(+)
> > > 
> > > diff --git a/src/compiler/glsl/ast_to_hir.cpp b/src/compiler/glsl/ast_to_hir.cpp
> > > index 74160ec142b..5d3f10b6823 100644
> > > --- a/src/compiler/glsl/ast_to_hir.cpp
> > > +++ b/src/compiler/glsl/ast_to_hir.cpp
> > > @@ -1928,6 +1928,11 @@ ast_expression::do_hir(exec_list *instructions,
> > >   
> > >         error_emitted = op[0]->type->is_error() || op[1]->type->is_error();
> > >   
> > > +      if (error_emitted) {
> > > +         result = ir_rvalue::error_value(ctx);
> > > +         break;
> > > +      }
> > > +
> > >         type = arithmetic_result_type(op[0], op[1], false, state, & loc);
> > >   
> > >         ir_rvalue *temp_rhs;
> 
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-- 
Br,

Andres