A heatran with flash fire gets hit with a fire move?
Battle between [Mew] and Alagala Shroom started!
Rule: Sleep Clause
Rule: Freeze Clause
Rule: Species Clause
Rule: Wifi Battle
Rule: Self-KO Clause
Your team: Scizor / Rotom-W / Heatran / Celebi / Ambipom / Gengar
Opponent's team: Linoone / Magmar / Mawile / Seadra / Golurk / Murkrow
[Mew] sent out Heatran!
Alagala Shroom sent out Magmar!
Heatran is floating on a balloon!
Alagala Shroom: Ready, set, lez go.
Start of turn 1
The foe's Magmar used Fire Blast!
Heatran's Flash Fire raised the power of its Fire-type moves!
Heatran used Stealth Rock!
Pointed stones float in the air around Alagala Shroom's team!
The Air Balloon didn't pop. So no.
Credit to JCM.
The move has to do damage, not including status damage. So no.
Source: Personal experience.