Work around a compiler bug

See #15478

Marlin/src/inc/Conditionals_post.h

@@ -220,11 +220,6 @@
   #ifndef Z_SAFE_HOMING_Y_POINT
     #define Z_SAFE_HOMING_Y_POINT _SAFE_POINT(Y)
   #endif
-  #define X_TILT_FULCRUM Z_SAFE_HOMING_X_POINT
-  #define Y_TILT_FULCRUM Z_SAFE_HOMING_Y_POINT
-#else
-  #define X_TILT_FULCRUM X_HOME_POS
-  #define Y_TILT_FULCRUM Y_HOME_POS
 #endif
 
 /**

Marlin/src/module/planner.cpp

@@ -1350,6 +1350,15 @@ void Planner::check_axes_activity() {
 #endif
 
 #if HAS_LEVELING
+
+  constexpr xy_pos_t level_fulcrum = {
+    #if ENABLED(Z_SAFE_HOMING)
+      Z_SAFE_HOMING_X_POINT, Z_SAFE_HOMING_Y_POINT
+    #else
+      X_HOME_POS, Y_HOME_POS
+    #endif
+  };
+
   /**
    * rx, ry, rz - Cartesian positions in mm
    *              Leveled XYZ on completion

Marlin/src/module/planner.h

@@ -268,7 +268,6 @@ class Planner {
       static bool leveling_active;          // Flag that bed leveling is enabled
       #if ABL_PLANAR
         static matrix_3x3 bed_level_matrix; // Transform to compensate for bed level
-        static constexpr xy_pos_t level_fulcrum = { X_TILT_FULCRUM, Y_TILT_FULCRUM };
       #endif
       #if ENABLED(ENABLE_LEVELING_FADE_HEIGHT)
         static float z_fade_height, inverse_z_fade_height;