[ignition] Use absolute values for jump offsets

test/cctest/interpreter/bytecode_expectations/UnaryOperators.golden

 #
 # Autogenerated by generate-bytecode-expectations.
 #
 
 ---
 wrap: yes
 
 ---
 snippet: "
   var x = 0;
   while (x != 10) {
     x = x + 10;
   }
   return x;
 "
 frame size: 1
 parameter count: 1
 bytecode array length: 25
 bytecodes: [
   /*   30 E> */ B(StackCheck),
   /*   42 S> */ B(LdaZero),
                 B(Star), R(0),
   /*   54 S> */ B(LdaSmi), U8(10),
   /*   54 E> */ B(TestEqual), R(0), U8(2),
                 B(JumpIfTrue), U8(13),
   /*   45 E> */ B(StackCheck),
   /*   65 S> */ B(LdaSmi), U8(10),
   /*   71 E> */ B(Add), R(0), U8(3),
                 B(Star), R(0),
-                B(JumpLoop), U8(-15), U8(0),
+                B(JumpLoop), U8(15), U8(0),
   /*   79 S> */ B(Ldar), R(0),
   /*   89 S> */ B(Return),
 ]
 constant pool: [
 ]
 handlers: [
 ]
 
 ---
 snippet: "
@@ skipping 10 matching lines @@
   /*   30 E> */ B(StackCheck),
   /*   42 S> */ B(LdaFalse),
                 B(Star), R(0),
   /*   49 E> */ B(StackCheck),
   /*   56 S> */ B(Ldar), R(0),
                 B(ToBooleanLogicalNot),
                 B(Star), R(0),
   /*   74 S> */ B(LdaFalse),
   /*   74 E> */ B(TestEqual), R(0), U8(2),
                 B(JumpIfFalse), U8(5),
-                B(JumpLoop), U8(-12), U8(0),
+                B(JumpLoop), U8(12), U8(0),
   /*   85 S> */ B(Ldar), R(0),
   /*   95 S> */ B(Return),
 ]
 constant pool: [
 ]
 handlers: [
 ]
 
 ---
 snippet: "
@@ skipping 100 matching lines @@
                 B(Star), R(0),
   /*   46 S> */ B(LdaSmi), U8(-1),
   /*   53 E> */ B(Mul), R(0), U8(2),
   /*   57 S> */ B(Return),
 ]
 constant pool: [
 ]
 handlers: [
 ]