diff --git a/pom.xml b/pom.xml
index fc850e31..8d9ed455 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
     <groupId>org.jetbrains.research</groupId>
     <artifactId>kfg</artifactId>
-    <version>0.0.4.1</version>
+    <version>0.0.4.2</version>
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
diff --git a/src/main/kotlin/org/jetbrains/research/kfg/builder/cfg/CfgBuilder.kt b/src/main/kotlin/org/jetbrains/research/kfg/builder/cfg/CfgBuilder.kt
index ef93f3e1..ae1930c5 100644
--- a/src/main/kotlin/org/jetbrains/research/kfg/builder/cfg/CfgBuilder.kt
+++ b/src/main/kotlin/org/jetbrains/research/kfg/builder/cfg/CfgBuilder.kt
@@ -959,7 +959,7 @@ class CfgBuilder(val cm: ClassManager, val method: Method)
                     when (type) {
                         null -> removablePhis.add(phi)
                         else -> {
-                            val newPhi = instFactory.getPhi(phi.name, type, incomings)
+                            val newPhi = instFactory.getPhi(type, incomings)
                             phi.replaceAllUsesWith(newPhi)
                             phi.operands.forEach { it.removeUser(phi) }
                             bb.replace(phi, newPhi)
@@ -1011,6 +1011,8 @@ class CfgBuilder(val cm: ClassManager, val method: Method)
         }
 
         processPhis.addAll(removablePhis)
+        // this is generally fucked up
+        processPhis.sortBy { it.name.toString() }
         while (processPhis.isNotEmpty()) {
             val top = processPhis.first()
             processPhis.removeAt(0)
diff --git a/src/main/kotlin/org/jetbrains/research/kfg/ir/BasicBlock.kt b/src/main/kotlin/org/jetbrains/research/kfg/ir/BasicBlock.kt
index 3410ef22..f57bd6de 100644
--- a/src/main/kotlin/org/jetbrains/research/kfg/ir/BasicBlock.kt
+++ b/src/main/kotlin/org/jetbrains/research/kfg/ir/BasicBlock.kt
@@ -10,14 +10,14 @@ import org.jetbrains.research.kfg.type.Type
 import org.jetbrains.research.kfg.util.GraphNode
 
 sealed class BasicBlock(val name: BlockName)
-    : UsableBlock(), Iterable<Instruction>, GraphNode<BasicBlock>, BlockUser  {
+    : UsableBlock(), Iterable<Instruction>, GraphNode<BasicBlock>, BlockUser {
     var parent: Method? = null
         internal set(value) {
             field = value
             instructions.forEach { addValueToParent(it) }
         }
-    override val predecessors = hashSetOf<BasicBlock>()
-    override val successors = hashSetOf<BasicBlock>()
+    override val predecessors = linkedSetOf<BasicBlock>()
+    override val successors = linkedSetOf<BasicBlock>()
     val instructions = arrayListOf<Instruction>()
     val handlers = arrayListOf<CatchBlock>()