message: When evaluating SPIR-V bindpoint mapping, set unused entries to -1
diff: @@ -2572,6 +2572,10 @@ void EvaluateSPIRVBindpointMapping(GLuint curProg, int shadIdx, const ShaderRefl
  }
  }
  + for(size_t i = 0; i < mapping.inputAttributes.size(); i++)
  + if(mapping.inputAttributes[i] < 0)
  + mapping.inputAttributes[i] = -1;
  +
  #if ENABLED(RDOC_DEVEL)
  for(size_t i = 1; i < ARRAY_COUNT(dummyReadback); i++)
  if(dummyReadback[i] != 0x6c7b8a9d)
  