Fixes Pursuit + Emergency Exit causing double switches on the same turn

src/battle_main.c

@@ -3225,6 +3225,9 @@ void SwitchInClearSetData(u32 battler)
     gBattleStruct->lastTakenMoveFrom[battler][1] = 0;
     gBattleStruct->lastTakenMoveFrom[battler][2] = 0;
     gBattleStruct->lastTakenMoveFrom[battler][3] = 0;
+    gBattleStruct->pursuitTarget = 0;
+    gBattleStruct->pursuitSwitchByMove = FALSE;
+    gBattleStruct->pursuitStoredSwitch = 0;
     gBattleStruct->lastMoveFailed &= ~(1u << battler);
     gBattleStruct->palaceFlags &= ~(1u << battler);
     gBattleStruct->boosterEnergyActivates &= ~(1u << battler);

test/battle/move_effect/pursuit.c

@@ -610,4 +610,23 @@ SINGLE_BATTLE_TEST("Pursuit attacks a switching foe and switchin is correctly st
     }
 }
 
+SINGLE_BATTLE_TEST("Pursuit doesn't cause mon with Emergency Exit to switch twice")
+{
+    GIVEN {
+        PLAYER(SPECIES_GOLISOPOD) { HP(101); MaxHP(200); Ability(ABILITY_EMERGENCY_EXIT); }
+        PLAYER(SPECIES_WOBBUFFET);
+        PLAYER(SPECIES_VOLTORB);
+        OPPONENT(SPECIES_WOBBUFFET);
+    } WHEN {
+        TURN { SWITCH(player, 1); MOVE(opponent, MOVE_PURSUIT); SEND_OUT(player, 2); }
+    } SCENE {
+        SWITCH_OUT_MESSAGE("Golisopod");
+        ANIMATION(ANIM_TYPE_MOVE, MOVE_PURSUIT, opponent);
+        ABILITY_POPUP(player, ABILITY_EMERGENCY_EXIT);
+        SEND_IN_MESSAGE("Voltorb");
+    } THEN {
+        EXPECT_EQ(player->species, SPECIES_VOLTORB);
+    }
+}
+
 TO_DO_BATTLE_TEST("Baton Pass doesn't cause Pursuit to increase its power or priority");