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

[Tapani Pälli]

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;