diff --git a/src/main/java/dk/camelot64/kickc/model/values/ConstantBinary.java b/src/main/java/dk/camelot64/kickc/model/values/ConstantBinary.java
index 90896ad5e..2f43646d1 100644
--- a/src/main/java/dk/camelot64/kickc/model/values/ConstantBinary.java
+++ b/src/main/java/dk/camelot64/kickc/model/values/ConstantBinary.java
@@ -6,6 +6,8 @@ import dk.camelot64.kickc.model.symbols.ProgramScope;
 import dk.camelot64.kickc.model.types.SymbolType;
 import dk.camelot64.kickc.model.types.SymbolTypeInference;
 
+import java.util.Objects;
+
 /** A constant defined by a binary operator applied to two constants */
 public class ConstantBinary implements ConstantValue {
 
@@ -74,4 +76,18 @@ public class ConstantBinary implements ConstantValue {
       return toString(null);
    }
 
+   @Override
+   public boolean equals(Object o) {
+      if(this == o) return true;
+      if(o == null || getClass() != o.getClass()) return false;
+      ConstantBinary that = (ConstantBinary) o;
+      return left.equals(that.left) &&
+            operator.equals(that.operator) &&
+            right.equals(that.right);
+   }
+
+   @Override
+   public int hashCode() {
+      return Objects.hash(left, operator, right);
+   }
 }
diff --git a/src/test/java/dk/camelot64/kickc/test/TestPrograms.java b/src/test/java/dk/camelot64/kickc/test/TestPrograms.java
index 9994af70e..cf068b11a 100644
--- a/src/test/java/dk/camelot64/kickc/test/TestPrograms.java
+++ b/src/test/java/dk/camelot64/kickc/test/TestPrograms.java
@@ -165,6 +165,11 @@ public class TestPrograms {
       compileAndCompare("examples/conio/nacht-screen.c");
    }
 
+   @Test
+   public void testPostIncrementProblem2() throws IOException, URISyntaxException {
+      compileAndCompare("post-increment-problem-2.c");
+   }
+
    @Test
    public void testPostIncrementProblem() throws IOException, URISyntaxException {
       compileAndCompare("post-increment-problem.c");
diff --git a/src/test/kc/post-increment-problem-2.c b/src/test/kc/post-increment-problem-2.c
new file mode 100644
index 000000000..9e9123d78
--- /dev/null
+++ b/src/test/kc/post-increment-problem-2.c
@@ -0,0 +1,14 @@
+const byte *screen=$0400;
+void main() {
+  word offset=40*10;
+  for (char x=0;x<254;x++)
+    incscreen(offset);
+}
+
+
+void incscreen(word ptr) {
+  --(*(screen+ptr));
+  (*(screen+ptr+1))--;
+  ++(*(screen+ptr));
+  (*(screen+ptr+1))++;
+}
diff --git a/src/test/ref/post-increment-problem-2.asm b/src/test/ref/post-increment-problem-2.asm
new file mode 100644
index 000000000..e90fed9ca
--- /dev/null
+++ b/src/test/ref/post-increment-problem-2.asm
@@ -0,0 +1,32 @@
+.pc = $801 "Basic"
+:BasicUpstart(main)
+.pc = $80d "Program"
+  .label screen = $400
+main: {
+    .label offset = $28*$a
+    ldx #0
+  __b1:
+    // for (char x=0;x<254;x++)
+    cpx #$fe
+    bcc __b2
+    // }
+    rts
+  __b2:
+    // incscreen(offset)
+    jsr incscreen
+    // for (char x=0;x<254;x++)
+    inx
+    jmp __b1
+}
+incscreen: {
+    // --(*(screen+ptr));
+    dec screen+main.offset
+    // (*(screen+ptr+1))--;
+    dec screen+main.offset+1
+    // ++(*(screen+ptr));
+    inc screen+main.offset
+    // (*(screen+ptr+1))++;
+    inc screen+main.offset+1
+    // }
+    rts
+}
diff --git a/src/test/ref/post-increment-problem-2.cfg b/src/test/ref/post-increment-problem-2.cfg
new file mode 100644
index 000000000..5b4c14a0c
--- /dev/null
+++ b/src/test/ref/post-increment-problem-2.cfg
@@ -0,0 +1,39 @@
+@begin: scope:[]  from
+  [0] phi()
+  to:@1
+@1: scope:[]  from @begin
+  [1] phi()
+  [2] call main 
+  to:@end
+@end: scope:[]  from @1
+  [3] phi()
+
+(void()) main()
+main: scope:[main]  from @1
+  [4] phi()
+  to:main::@1
+main::@1: scope:[main]  from main main::@3
+  [5] (byte) main::x#2 ← phi( main/(byte) 0 main::@3/(byte) main::x#1 )
+  [6] if((byte) main::x#2<(byte) $fe) goto main::@2
+  to:main::@return
+main::@return: scope:[main]  from main::@1
+  [7] return 
+  to:@return
+main::@2: scope:[main]  from main::@1
+  [8] phi()
+  [9] call incscreen 
+  to:main::@3
+main::@3: scope:[main]  from main::@2
+  [10] (byte) main::x#1 ← ++ (byte) main::x#2
+  to:main::@1
+
+(void()) incscreen((word) incscreen::ptr)
+incscreen: scope:[incscreen]  from main::@2
+  [11] *((const to_nomodify byte*) screen+(const word) main::offset) ← -- *((const to_nomodify byte*) screen+(const word) main::offset)
+  [12] *((const to_nomodify byte*) screen+(const word) main::offset+(byte) 1) ← -- *((const to_nomodify byte*) screen+(const word) main::offset+(byte) 1)
+  [13] *((const to_nomodify byte*) screen+(const word) main::offset) ← ++ *((const to_nomodify byte*) screen+(const word) main::offset)
+  [14] *((const to_nomodify byte*) screen+(const word) main::offset+(byte) 1) ← ++ *((const to_nomodify byte*) screen+(const word) main::offset+(byte) 1)
+  to:incscreen::@return
+incscreen::@return: scope:[incscreen]  from incscreen
+  [15] return 
+  to:@return
diff --git a/src/test/ref/post-increment-problem-2.log b/src/test/ref/post-increment-problem-2.log
new file mode 100644
index 000000000..451d2d82a
--- /dev/null
+++ b/src/test/ref/post-increment-problem-2.log
@@ -0,0 +1,499 @@
+
+CONTROL FLOW GRAPH SSA
+@begin: scope:[]  from
+  to:@1
+
+(void()) main()
+main: scope:[main]  from @1
+  (byte) main::x#0 ← (byte) 0
+  to:main::@1
+main::@1: scope:[main]  from main main::@3
+  (byte) main::x#2 ← phi( main/(byte) main::x#0 main::@3/(byte) main::x#1 )
+  (bool~) main::$0 ← (byte) main::x#2 < (number) $fe
+  if((bool~) main::$0) goto main::@2
+  to:main::@return
+main::@2: scope:[main]  from main::@1
+  (byte) main::x#4 ← phi( main::@1/(byte) main::x#2 )
+  (word) incscreen::ptr#0 ← (const word) main::offset
+  call incscreen 
+  to:main::@3
+main::@3: scope:[main]  from main::@2
+  (byte) main::x#3 ← phi( main::@2/(byte) main::x#4 )
+  (byte) main::x#1 ← ++ (byte) main::x#3
+  to:main::@1
+main::@return: scope:[main]  from main::@1
+  return 
+  to:@return
+
+(void()) incscreen((word) incscreen::ptr)
+incscreen: scope:[incscreen]  from main::@2
+  (word) incscreen::ptr#1 ← phi( main::@2/(word) incscreen::ptr#0 )
+  (byte*~) incscreen::$0 ← (const to_nomodify byte*) screen + (word) incscreen::ptr#1
+  *((byte*~) incscreen::$0) ← -- *((byte*~) incscreen::$0)
+  (byte*~) incscreen::$9 ← (const to_nomodify byte*) screen + (word) incscreen::ptr#1
+  (byte*~) incscreen::$10 ← (byte*~) incscreen::$9 + (number) 1
+  *((byte*~) incscreen::$10) ← -- *((byte*~) incscreen::$10)
+  (byte*~) incscreen::$11 ← (const to_nomodify byte*) screen + (word) incscreen::ptr#1
+  *((byte*~) incscreen::$11) ← ++ *((byte*~) incscreen::$11)
+  (byte*~) incscreen::$20 ← (const to_nomodify byte*) screen + (word) incscreen::ptr#1
+  (byte*~) incscreen::$21 ← (byte*~) incscreen::$20 + (number) 1
+  *((byte*~) incscreen::$21) ← ++ *((byte*~) incscreen::$21)
+  to:incscreen::@return
+incscreen::@return: scope:[incscreen]  from incscreen
+  return 
+  to:@return
+@1: scope:[]  from @begin
+  call main 
+  to:@2
+@2: scope:[]  from @1
+  to:@end
+@end: scope:[]  from @2
+
+SYMBOL TABLE SSA
+(label) @1
+(label) @2
+(label) @begin
+(label) @end
+(void()) incscreen((word) incscreen::ptr)
+(byte*~) incscreen::$0
+(byte*~) incscreen::$10
+(byte*~) incscreen::$11
+(byte*~) incscreen::$20
+(byte*~) incscreen::$21
+(byte*~) incscreen::$9
+(label) incscreen::@return
+(word) incscreen::ptr
+(word) incscreen::ptr#0
+(word) incscreen::ptr#1
+(void()) main()
+(bool~) main::$0
+(label) main::@1
+(label) main::@2
+(label) main::@3
+(label) main::@return
+(const word) main::offset = (word)(number) $28*(number) $a
+(byte) main::x
+(byte) main::x#0
+(byte) main::x#1
+(byte) main::x#2
+(byte) main::x#3
+(byte) main::x#4
+(const to_nomodify byte*) screen = (byte*)(number) $400
+
+Adding number conversion cast (unumber) $fe in (bool~) main::$0 ← (byte) main::x#2 < (number) $fe
+Adding number conversion cast (unumber) 1 in (byte*~) incscreen::$10 ← (byte*~) incscreen::$9 + (number) 1
+Adding number conversion cast (unumber) 1 in (byte*~) incscreen::$21 ← (byte*~) incscreen::$20 + (number) 1
+Successful SSA optimization PassNAddNumberTypeConversions
+Simplifying constant pointer cast (byte*) 1024
+Simplifying constant integer cast $fe
+Simplifying constant integer cast 1
+Simplifying constant integer cast 1
+Successful SSA optimization PassNCastSimplification
+Finalized unsigned number type (byte) $fe
+Finalized unsigned number type (byte) 1
+Finalized unsigned number type (byte) 1
+Successful SSA optimization PassNFinalizeNumberTypeConversions
+Alias main::x#2 = main::x#4 main::x#3 
+Successful SSA optimization Pass2AliasElimination
+Identical Phi Values (word) incscreen::ptr#1 (word) incscreen::ptr#0
+Successful SSA optimization Pass2IdenticalPhiElimination
+Simple Condition (bool~) main::$0 [3] if((byte) main::x#2<(byte) $fe) goto main::@2
+Successful SSA optimization Pass2ConditionalJumpSimplification
+Constant (const byte) main::x#0 = 0
+Constant (const word) incscreen::ptr#0 = main::offset
+Successful SSA optimization Pass2ConstantIdentification
+Converting *(pointer+n) to pointer[n] [13] *((byte*~) incscreen::$10) ← -- *((byte*~) incscreen::$10)  -- *(incscreen::$9 + 1)
+Converting *(pointer+n) to pointer[n] [13] *((byte*~) incscreen::$10) ← -- *((byte*~) incscreen::$9 + (byte) 1)  -- *(incscreen::$9 + 1)
+Converting *(pointer+n) to pointer[n] [18] *((byte*~) incscreen::$21) ← ++ *((byte*~) incscreen::$21)  -- *(incscreen::$20 + 1)
+Converting *(pointer+n) to pointer[n] [18] *((byte*~) incscreen::$21) ← ++ *((byte*~) incscreen::$20 + (byte) 1)  -- *(incscreen::$20 + 1)
+Successful SSA optimization Pass2InlineDerefIdx
+Eliminating unused variable (byte*~) incscreen::$10 and assignment [8] (byte*~) incscreen::$10 ← (byte*~) incscreen::$9 + (byte) 1
+Eliminating unused variable (byte*~) incscreen::$21 and assignment [13] (byte*~) incscreen::$21 ← (byte*~) incscreen::$20 + (byte) 1
+Successful SSA optimization PassNEliminateUnusedVars
+Constant right-side identified [5] (byte*~) incscreen::$0 ← (const to_nomodify byte*) screen + (const word) incscreen::ptr#0
+Constant right-side identified [7] (byte*~) incscreen::$9 ← (const to_nomodify byte*) screen + (const word) incscreen::ptr#0
+Constant right-side identified [9] (byte*~) incscreen::$11 ← (const to_nomodify byte*) screen + (const word) incscreen::ptr#0
+Constant right-side identified [11] (byte*~) incscreen::$20 ← (const to_nomodify byte*) screen + (const word) incscreen::ptr#0
+Successful SSA optimization Pass2ConstantRValueConsolidation
+Constant (const byte*) incscreen::$0 = screen+incscreen::ptr#0
+Constant (const byte*) incscreen::$9 = screen+incscreen::ptr#0
+Constant (const byte*) incscreen::$11 = screen+incscreen::ptr#0
+Constant (const byte*) incscreen::$20 = screen+incscreen::ptr#0
+Successful SSA optimization Pass2ConstantIdentification
+Inlining constant with var siblings (const byte) main::x#0
+Constant inlined incscreen::$0 = (const to_nomodify byte*) screen+(const word) main::offset
+Constant inlined incscreen::$9 = (const to_nomodify byte*) screen+(const word) main::offset
+Constant inlined incscreen::$20 = (const to_nomodify byte*) screen+(const word) main::offset
+Constant inlined main::x#0 = (byte) 0
+Constant inlined incscreen::$11 = (const to_nomodify byte*) screen+(const word) main::offset
+Constant inlined incscreen::ptr#0 = (const word) main::offset
+Successful SSA optimization Pass2ConstantInlining
+Consolidated array index constant in *(screen+main::offset+1)
+Consolidated array index constant in *(screen+main::offset+1)
+Consolidated array index constant in *(screen+main::offset+1)
+Consolidated array index constant in *(screen+main::offset+1)
+Successful SSA optimization Pass2ConstantAdditionElimination
+Adding NOP phi() at start of @begin
+Adding NOP phi() at start of @1
+Adding NOP phi() at start of @2
+Adding NOP phi() at start of @end
+Adding NOP phi() at start of main
+Adding NOP phi() at start of main::@2
+CALL GRAPH
+Calls in [] to main:2 
+Calls in [main] to incscreen:10 
+
+Created 1 initial phi equivalence classes
+Coalesced [12] main::x#5 ← main::x#1
+Coalesced down to 1 phi equivalence classes
+Culled Empty Block (label) @2
+Adding NOP phi() at start of @begin
+Adding NOP phi() at start of @1
+Adding NOP phi() at start of @end
+Adding NOP phi() at start of main
+Adding NOP phi() at start of main::@2
+
+FINAL CONTROL FLOW GRAPH
+@begin: scope:[]  from
+  [0] phi()
+  to:@1
+@1: scope:[]  from @begin
+  [1] phi()
+  [2] call main 
+  to:@end
+@end: scope:[]  from @1
+  [3] phi()
+
+(void()) main()
+main: scope:[main]  from @1
+  [4] phi()
+  to:main::@1
+main::@1: scope:[main]  from main main::@3
+  [5] (byte) main::x#2 ← phi( main/(byte) 0 main::@3/(byte) main::x#1 )
+  [6] if((byte) main::x#2<(byte) $fe) goto main::@2
+  to:main::@return
+main::@return: scope:[main]  from main::@1
+  [7] return 
+  to:@return
+main::@2: scope:[main]  from main::@1
+  [8] phi()
+  [9] call incscreen 
+  to:main::@3
+main::@3: scope:[main]  from main::@2
+  [10] (byte) main::x#1 ← ++ (byte) main::x#2
+  to:main::@1
+
+(void()) incscreen((word) incscreen::ptr)
+incscreen: scope:[incscreen]  from main::@2
+  [11] *((const to_nomodify byte*) screen+(const word) main::offset) ← -- *((const to_nomodify byte*) screen+(const word) main::offset)
+  [12] *((const to_nomodify byte*) screen+(const word) main::offset+(byte) 1) ← -- *((const to_nomodify byte*) screen+(const word) main::offset+(byte) 1)
+  [13] *((const to_nomodify byte*) screen+(const word) main::offset) ← ++ *((const to_nomodify byte*) screen+(const word) main::offset)
+  [14] *((const to_nomodify byte*) screen+(const word) main::offset+(byte) 1) ← ++ *((const to_nomodify byte*) screen+(const word) main::offset+(byte) 1)
+  to:incscreen::@return
+incscreen::@return: scope:[incscreen]  from incscreen
+  [15] return 
+  to:@return
+
+
+VARIABLE REGISTER WEIGHTS
+(void()) incscreen((word) incscreen::ptr)
+(word) incscreen::ptr
+(void()) main()
+(byte) main::x
+(byte) main::x#1 202.0
+(byte) main::x#2 75.75
+
+Initial phi equivalence classes
+[ main::x#2 main::x#1 ]
+Complete equivalence classes
+[ main::x#2 main::x#1 ]
+Allocated zp[1]:2 [ main::x#2 main::x#1 ]
+
+INITIAL ASM
+Target platform is c64basic / MOS6502X
+  // File Comments
+  // Upstart
+.pc = $801 "Basic"
+:BasicUpstart(__bbegin)
+.pc = $80d "Program"
+  // Global Constants & labels
+  .label screen = $400
+  // @begin
+__bbegin:
+  // [1] phi from @begin to @1 [phi:@begin->@1]
+__b1_from___bbegin:
+  jmp __b1
+  // @1
+__b1:
+  // [2] call main 
+  // [4] phi from @1 to main [phi:@1->main]
+main_from___b1:
+  jsr main
+  // [3] phi from @1 to @end [phi:@1->@end]
+__bend_from___b1:
+  jmp __bend
+  // @end
+__bend:
+  // main
+main: {
+    .label offset = $28*$a
+    .label x = 2
+    // [5] phi from main to main::@1 [phi:main->main::@1]
+  __b1_from_main:
+    // [5] phi (byte) main::x#2 = (byte) 0 [phi:main->main::@1#0] -- vbuz1=vbuc1 
+    lda #0
+    sta.z x
+    jmp __b1
+    // main::@1
+  __b1:
+    // [6] if((byte) main::x#2<(byte) $fe) goto main::@2 -- vbuz1_lt_vbuc1_then_la1 
+    lda.z x
+    cmp #$fe
+    bcc __b2_from___b1
+    jmp __breturn
+    // main::@return
+  __breturn:
+    // [7] return 
+    rts
+    // [8] phi from main::@1 to main::@2 [phi:main::@1->main::@2]
+  __b2_from___b1:
+    jmp __b2
+    // main::@2
+  __b2:
+    // [9] call incscreen 
+    jsr incscreen
+    jmp __b3
+    // main::@3
+  __b3:
+    // [10] (byte) main::x#1 ← ++ (byte) main::x#2 -- vbuz1=_inc_vbuz1 
+    inc.z x
+    // [5] phi from main::@3 to main::@1 [phi:main::@3->main::@1]
+  __b1_from___b3:
+    // [5] phi (byte) main::x#2 = (byte) main::x#1 [phi:main::@3->main::@1#0] -- register_copy 
+    jmp __b1
+}
+  // incscreen
+incscreen: {
+    // [11] *((const to_nomodify byte*) screen+(const word) main::offset) ← -- *((const to_nomodify byte*) screen+(const word) main::offset) -- _deref_pbuc1=_dec__deref_pbuc1 
+    dec screen+main.offset
+    // [12] *((const to_nomodify byte*) screen+(const word) main::offset+(byte) 1) ← -- *((const to_nomodify byte*) screen+(const word) main::offset+(byte) 1) -- _deref_pbuc1=_dec__deref_pbuc1 
+    dec screen+main.offset+1
+    // [13] *((const to_nomodify byte*) screen+(const word) main::offset) ← ++ *((const to_nomodify byte*) screen+(const word) main::offset) -- _deref_pbuc1=_inc__deref_pbuc1 
+    inc screen+main.offset
+    // [14] *((const to_nomodify byte*) screen+(const word) main::offset+(byte) 1) ← ++ *((const to_nomodify byte*) screen+(const word) main::offset+(byte) 1) -- _deref_pbuc1=_inc__deref_pbuc1 
+    inc screen+main.offset+1
+    jmp __breturn
+    // incscreen::@return
+  __breturn:
+    // [15] return 
+    rts
+}
+  // File Data
+
+REGISTER UPLIFT POTENTIAL REGISTERS
+Potential registers zp[1]:2 [ main::x#2 main::x#1 ] : zp[1]:2 , reg byte a , reg byte x , reg byte y , 
+
+REGISTER UPLIFT SCOPES
+Uplift Scope [main] 277.75: zp[1]:2 [ main::x#2 main::x#1 ] 
+Uplift Scope [incscreen] 
+Uplift Scope [] 
+
+Uplifting [main] best 346 combination reg byte x [ main::x#2 main::x#1 ] 
+Uplifting [incscreen] best 346 combination 
+Uplifting [] best 346 combination 
+
+ASSEMBLER BEFORE OPTIMIZATION
+  // File Comments
+  // Upstart
+.pc = $801 "Basic"
+:BasicUpstart(__bbegin)
+.pc = $80d "Program"
+  // Global Constants & labels
+  .label screen = $400
+  // @begin
+__bbegin:
+  // [1] phi from @begin to @1 [phi:@begin->@1]
+__b1_from___bbegin:
+  jmp __b1
+  // @1
+__b1:
+  // [2] call main 
+  // [4] phi from @1 to main [phi:@1->main]
+main_from___b1:
+  jsr main
+  // [3] phi from @1 to @end [phi:@1->@end]
+__bend_from___b1:
+  jmp __bend
+  // @end
+__bend:
+  // main
+main: {
+    .label offset = $28*$a
+    // [5] phi from main to main::@1 [phi:main->main::@1]
+  __b1_from_main:
+    // [5] phi (byte) main::x#2 = (byte) 0 [phi:main->main::@1#0] -- vbuxx=vbuc1 
+    ldx #0
+    jmp __b1
+    // main::@1
+  __b1:
+    // [6] if((byte) main::x#2<(byte) $fe) goto main::@2 -- vbuxx_lt_vbuc1_then_la1 
+    cpx #$fe
+    bcc __b2_from___b1
+    jmp __breturn
+    // main::@return
+  __breturn:
+    // [7] return 
+    rts
+    // [8] phi from main::@1 to main::@2 [phi:main::@1->main::@2]
+  __b2_from___b1:
+    jmp __b2
+    // main::@2
+  __b2:
+    // [9] call incscreen 
+    jsr incscreen
+    jmp __b3
+    // main::@3
+  __b3:
+    // [10] (byte) main::x#1 ← ++ (byte) main::x#2 -- vbuxx=_inc_vbuxx 
+    inx
+    // [5] phi from main::@3 to main::@1 [phi:main::@3->main::@1]
+  __b1_from___b3:
+    // [5] phi (byte) main::x#2 = (byte) main::x#1 [phi:main::@3->main::@1#0] -- register_copy 
+    jmp __b1
+}
+  // incscreen
+incscreen: {
+    // [11] *((const to_nomodify byte*) screen+(const word) main::offset) ← -- *((const to_nomodify byte*) screen+(const word) main::offset) -- _deref_pbuc1=_dec__deref_pbuc1 
+    dec screen+main.offset
+    // [12] *((const to_nomodify byte*) screen+(const word) main::offset+(byte) 1) ← -- *((const to_nomodify byte*) screen+(const word) main::offset+(byte) 1) -- _deref_pbuc1=_dec__deref_pbuc1 
+    dec screen+main.offset+1
+    // [13] *((const to_nomodify byte*) screen+(const word) main::offset) ← ++ *((const to_nomodify byte*) screen+(const word) main::offset) -- _deref_pbuc1=_inc__deref_pbuc1 
+    inc screen+main.offset
+    // [14] *((const to_nomodify byte*) screen+(const word) main::offset+(byte) 1) ← ++ *((const to_nomodify byte*) screen+(const word) main::offset+(byte) 1) -- _deref_pbuc1=_inc__deref_pbuc1 
+    inc screen+main.offset+1
+    jmp __breturn
+    // incscreen::@return
+  __breturn:
+    // [15] return 
+    rts
+}
+  // File Data
+
+ASSEMBLER OPTIMIZATIONS
+Removing instruction jmp __b1
+Removing instruction jmp __bend
+Removing instruction jmp __b1
+Removing instruction jmp __breturn
+Removing instruction jmp __b2
+Removing instruction jmp __b3
+Removing instruction jmp __breturn
+Succesful ASM optimization Pass5NextJumpElimination
+Replacing label __b2_from___b1 with __b2
+Removing instruction __b1_from___bbegin:
+Removing instruction __b1:
+Removing instruction main_from___b1:
+Removing instruction __bend_from___b1:
+Removing instruction __b2_from___b1:
+Succesful ASM optimization Pass5RedundantLabelElimination
+Removing instruction __bend:
+Removing instruction __b1_from_main:
+Removing instruction __breturn:
+Removing instruction __b3:
+Removing instruction __b1_from___b3:
+Removing instruction __breturn:
+Succesful ASM optimization Pass5UnusedLabelElimination
+Updating BasicUpstart to call main directly
+Removing instruction jsr main
+Succesful ASM optimization Pass5SkipBegin
+Removing instruction __bbegin:
+Succesful ASM optimization Pass5UnusedLabelElimination
+
+FINAL SYMBOL TABLE
+(label) @1
+(label) @begin
+(label) @end
+(void()) incscreen((word) incscreen::ptr)
+(label) incscreen::@return
+(word) incscreen::ptr
+(void()) main()
+(label) main::@1
+(label) main::@2
+(label) main::@3
+(label) main::@return
+(const word) main::offset = (word)(number) $28*(number) $a
+(byte) main::x
+(byte) main::x#1 reg byte x 202.0
+(byte) main::x#2 reg byte x 75.75
+(const to_nomodify byte*) screen = (byte*) 1024
+
+reg byte x [ main::x#2 main::x#1 ]
+
+
+FINAL ASSEMBLER
+Score: 211
+
+  // File Comments
+  // Upstart
+.pc = $801 "Basic"
+:BasicUpstart(main)
+.pc = $80d "Program"
+  // Global Constants & labels
+  .label screen = $400
+  // @begin
+  // [1] phi from @begin to @1 [phi:@begin->@1]
+  // @1
+  // [2] call main 
+  // [4] phi from @1 to main [phi:@1->main]
+  // [3] phi from @1 to @end [phi:@1->@end]
+  // @end
+  // main
+main: {
+    .label offset = $28*$a
+    // [5] phi from main to main::@1 [phi:main->main::@1]
+    // [5] phi (byte) main::x#2 = (byte) 0 [phi:main->main::@1#0] -- vbuxx=vbuc1 
+    ldx #0
+    // main::@1
+  __b1:
+    // for (char x=0;x<254;x++)
+    // [6] if((byte) main::x#2<(byte) $fe) goto main::@2 -- vbuxx_lt_vbuc1_then_la1 
+    cpx #$fe
+    bcc __b2
+    // main::@return
+    // }
+    // [7] return 
+    rts
+    // [8] phi from main::@1 to main::@2 [phi:main::@1->main::@2]
+    // main::@2
+  __b2:
+    // incscreen(offset)
+    // [9] call incscreen 
+    jsr incscreen
+    // main::@3
+    // for (char x=0;x<254;x++)
+    // [10] (byte) main::x#1 ← ++ (byte) main::x#2 -- vbuxx=_inc_vbuxx 
+    inx
+    // [5] phi from main::@3 to main::@1 [phi:main::@3->main::@1]
+    // [5] phi (byte) main::x#2 = (byte) main::x#1 [phi:main::@3->main::@1#0] -- register_copy 
+    jmp __b1
+}
+  // incscreen
+incscreen: {
+    // --(*(screen+ptr));
+    // [11] *((const to_nomodify byte*) screen+(const word) main::offset) ← -- *((const to_nomodify byte*) screen+(const word) main::offset) -- _deref_pbuc1=_dec__deref_pbuc1 
+    dec screen+main.offset
+    // (*(screen+ptr+1))--;
+    // [12] *((const to_nomodify byte*) screen+(const word) main::offset+(byte) 1) ← -- *((const to_nomodify byte*) screen+(const word) main::offset+(byte) 1) -- _deref_pbuc1=_dec__deref_pbuc1 
+    dec screen+main.offset+1
+    // ++(*(screen+ptr));
+    // [13] *((const to_nomodify byte*) screen+(const word) main::offset) ← ++ *((const to_nomodify byte*) screen+(const word) main::offset) -- _deref_pbuc1=_inc__deref_pbuc1 
+    inc screen+main.offset
+    // (*(screen+ptr+1))++;
+    // [14] *((const to_nomodify byte*) screen+(const word) main::offset+(byte) 1) ← ++ *((const to_nomodify byte*) screen+(const word) main::offset+(byte) 1) -- _deref_pbuc1=_inc__deref_pbuc1 
+    inc screen+main.offset+1
+    // incscreen::@return
+    // }
+    // [15] return 
+    rts
+}
+  // File Data
+
diff --git a/src/test/ref/post-increment-problem-2.sym b/src/test/ref/post-increment-problem-2.sym
new file mode 100644
index 000000000..d783dace9
--- /dev/null
+++ b/src/test/ref/post-increment-problem-2.sym
@@ -0,0 +1,18 @@
+(label) @1
+(label) @begin
+(label) @end
+(void()) incscreen((word) incscreen::ptr)
+(label) incscreen::@return
+(word) incscreen::ptr
+(void()) main()
+(label) main::@1
+(label) main::@2
+(label) main::@3
+(label) main::@return
+(const word) main::offset = (word)(number) $28*(number) $a
+(byte) main::x
+(byte) main::x#1 reg byte x 202.0
+(byte) main::x#2 reg byte x 75.75
+(const to_nomodify byte*) screen = (byte*) 1024
+
+reg byte x [ main::x#2 main::x#1 ]