Merge pull request #1841 from SpinalHDL/analog_prune_fix

#1839 workaround

Author: Dolu1990

core/src/main/scala/spinal/core/internals/Phase.scala

@@ -2223,7 +2223,7 @@ class PhaseRemoveUselessStuff(postClockPulling: Boolean, tagVitals: Boolean) ext
 
     val keepNamed = !pc.config.removePruned
     walkStatements{
-      case s: BaseType => if((keepNamed || s.dontSimplify) && s.isNamed && (s.namePriority >= Nameable.USER_WEAK || s.isVital)) propagate(s, false)
+      case s: BaseType             => if((keepNamed || s.dontSimplify) && s.isNamed && (s.namePriority >= Nameable.USER_WEAK || s.isVital) || s.isAnalog) propagate(s, false)
       case s: DeclarationStatement => if(keepNamed && s.isNamed) propagate(s, false)
       case s: AssertStatement      => if(s.kind == AssertStatementKind.ASSERT || pc.config.formalAsserts) propagate(s, false)
       case s: TreeStatement        =>