nir: deref only for OpTypePointer
Fixes: d0ba326f ("nir/spirv: support physical pointers")
It fixes !114 (comment 133064)
/cc @karolherbst /cc @jekstrand
Fixes: d0ba326f ("nir/spirv: support physical pointers")
It fixes !114 (comment 133064)
/cc @karolherbst /cc @jekstrand