Lemain....No, under Normal law the computers use all available info to determine the stall AOA. As written above.....
On AF 47 there was a discrepancy between the ADR's ( some or all iced pitots) which caused the FBW to revert to Alternate law along with the AP A/THR dropping off and a lot of ECAM's
During Alternate and Direct Law the computer reverts to only using AOA directly sensed from the AOA vanes to cater for just this scenario.
When the stall warning finally did sound it was real......