[ignition] Use absolute values for jump offsets

test/cctest/interpreter/bytecode_expectations/ForIn.golden

 #
 # Autogenerated by generate-bytecode-expectations.
 #
 
 ---
 wrap: yes
 
 ---
 snippet: "
   for (var p in null) {}
@@ skipping 67 matching lines @@
                 B(JumpIfFalse), U8(23),
                 B(ForInNext), R(3), R(7), R(4), U8(2),
                 B(JumpIfUndefined), U8(9),
                 B(Star), R(1),
   /*   54 E> */ B(StackCheck),
                 B(Star), R(2),
   /*   73 S> */ B(Nop),
   /*   85 S> */ B(Return),
                 B(ForInStep), R(7),
                 B(Star), R(7),
-                B(JumpLoop), U8(-23), U8(0),
+                B(JumpLoop), U8(23), U8(0),
                 B(LdaUndefined),
   /*   85 S> */ B(Return),
 ]
 constant pool: [
   ONE_BYTE_INTERNALIZED_STRING_TYPE ["potatoes"],
 ]
 handlers: [
 ]
 
 ---
@@ skipping 21 matching lines @@
                 B(JumpIfUndefined), U8(17),
                 B(Star), R(1),
   /*   45 E> */ B(StackCheck),
                 B(Star), R(2),
   /*   70 S> */ B(Ldar), R(1),
   /*   75 E> */ B(Add), R(0), U8(2),
                 B(Mov), R(0), R(8),
                 B(Star), R(0),
   /*   72 E> */ B(ForInStep), R(7),
                 B(Star), R(7),
-                B(JumpLoop), U8(-31), U8(0),
+                B(JumpLoop), U8(31), U8(0),
                 B(LdaUndefined),
   /*   80 S> */ B(Return),
 ]
 constant pool: [
   CONSTANT_ELEMENTS_PAIR_TYPE,
 ]
 handlers: [
 ]
 
 ---
@@ skipping 34 matching lines @@
   /*  113 S> */ B(Jump), U8(18),
   /*  125 S> */ B(Nop),
   /*  130 E> */ B(LdaNamedProperty), R(0), U8(2), U8(7),
                 B(Star), R(6),
                 B(LdaSmi), U8(20),
   /*  136 E> */ B(TestEqual), R(6), U8(9),
                 B(JumpIfFalse), U8(4),
   /*  143 S> */ B(Jump), U8(9),
                 B(ForInStep), R(5),
                 B(Star), R(5),
-                B(JumpLoop), U8(-55), U8(0),
+                B(JumpLoop), U8(55), U8(0),
                 B(LdaUndefined),
   /*  152 S> */ B(Return),
 ]
 constant pool: [
   FIXED_ARRAY_TYPE,
   CONSTANT_ELEMENTS_PAIR_TYPE,
   ONE_BYTE_INTERNALIZED_STRING_TYPE ["a"],
 ]
 handlers: [
 ]
@@ skipping 25 matching lines @@
                 B(LdaZero),
                 B(Star), R(8),
                 B(Ldar), R(6),
   /*   64 E> */ B(StaKeyedPropertySloppy), R(0), R(8), U8(6),
   /*   59 E> */ B(StackCheck),
   /*   83 S> */ B(LdaSmi), U8(3),
   /*   91 E> */ B(LdaKeyedProperty), R(0), U8(4),
   /*   98 S> */ B(Return),
                 B(ForInStep), R(5),
                 B(Star), R(5),
-                B(JumpLoop), U8(-34), U8(0),
+                B(JumpLoop), U8(34), U8(0),
                 B(LdaUndefined),
   /*   98 S> */ B(Return),
 ]
 constant pool: [
   CONSTANT_ELEMENTS_PAIR_TYPE,
   CONSTANT_ELEMENTS_PAIR_TYPE,
 ]
 handlers: [
 ]