[ignition] Expect 'I' for signed bytecode operands

test/cctest/interpreter/bytecode_expectations/CompoundExpressions.golden

 #
 # Autogenerated by generate-bytecode-expectations.
 #
 
 ---
 wrap: yes
 
 ---
 snippet: "
   var a = 1; a += 2;
 "
 frame size: 2
 parameter count: 1
 bytecode array length: 16
 bytecodes: [
   /*   30 E> */ B(StackCheck),
-  /*   42 S> */ B(LdaSmi), U8(1),
+  /*   42 S> */ B(LdaSmi), I8(1),
                 B(Star), R(0),
-  /*   45 S> */ B(AddSmi), U8(2), R(0), U8(2),
+  /*   45 S> */ B(AddSmi), I8(2), R(0), U8(2),
                 B(Mov), R(0), R(1),
                 B(Star), R(0),
                 B(LdaUndefined),
   /*   53 S> */ B(Return),
 ]
 constant pool: [
 ]
 handlers: [
 ]
 
 ---
 snippet: "
   var a = 1; a /= 2;
 "
 frame size: 2
 parameter count: 1
 bytecode array length: 17
 bytecodes: [
   /*   30 E> */ B(StackCheck),
-  /*   42 S> */ B(LdaSmi), U8(1),
+  /*   42 S> */ B(LdaSmi), I8(1),
                 B(Star), R(0),
-  /*   45 S> */ B(LdaSmi), U8(2),
+  /*   45 S> */ B(LdaSmi), I8(2),
                 B(Div), R(0), U8(2),
                 B(Mov), R(0), R(1),
                 B(Star), R(0),
                 B(LdaUndefined),
   /*   53 S> */ B(Return),
 ]
 constant pool: [
 ]
 handlers: [
 ]
 
 ---
 snippet: "
   var a = { val: 2 }; a.name *= 2;
 "
 frame size: 3
 parameter count: 1
 bytecode array length: 26
 bytecodes: [
   /*   30 E> */ B(StackCheck),
   /*   42 S> */ B(CreateObjectLiteral), U8(0), U8(0), U8(1), R(1),
                 B(Mov), R(1), R(0),
   /*   54 S> */ B(LdaNamedProperty), R(0), U8(1), U8(2),
                 B(Star), R(2),
-                B(LdaSmi), U8(2),
+                B(LdaSmi), I8(2),
                 B(Mul), R(2), U8(4),
   /*   61 E> */ B(StaNamedPropertySloppy), R(0), U8(1), U8(5),
                 B(LdaUndefined),
   /*   67 S> */ B(Return),
 ]
 constant pool: [
   FIXED_ARRAY_TYPE,
   ONE_BYTE_INTERNALIZED_STRING_TYPE ["name"],
 ]
 handlers: [
 ]
 
 ---
 snippet: "
   var a = { 1: 2 }; a[1] ^= 2;
 "
 frame size: 4
 parameter count: 1
 bytecode array length: 29
 bytecodes: [
   /*   30 E> */ B(StackCheck),
   /*   42 S> */ B(CreateObjectLiteral), U8(0), U8(0), U8(1), R(1),
                 B(Mov), R(1), R(0),
-  /*   52 S> */ B(LdaSmi), U8(1),
+  /*   52 S> */ B(LdaSmi), I8(1),
                 B(Star), R(2),
                 B(LdaKeyedProperty), R(0), U8(2),
                 B(Star), R(3),
-                B(LdaSmi), U8(2),
+                B(LdaSmi), I8(2),
                 B(BitwiseXor), R(3), U8(4),
   /*   57 E> */ B(StaKeyedPropertySloppy), R(0), R(2), U8(5),
                 B(LdaUndefined),
   /*   63 S> */ B(Return),
 ]
 constant pool: [
   FIXED_ARRAY_TYPE,
 ]
 handlers: [
 ]
 
 ---
 snippet: "
   var a = 1; (function f() { return a; }); a |= 24;
 "
 frame size: 2
 parameter count: 1
 bytecode array length: 25
 bytecodes: [
                 B(CreateFunctionContext), U8(1),
                 B(PushContext), R(0),
   /*   30 E> */ B(StackCheck),
-  /*   42 S> */ B(LdaSmi), U8(1),
+  /*   42 S> */ B(LdaSmi), I8(1),
   /*   42 E> */ B(StaCurrentContextSlot), U8(4),
   /*   45 S> */ B(CreateClosure), U8(0), U8(2), U8(2),
   /*   75 S> */ B(LdaCurrentContextSlot), U8(4),
                 B(Star), R(1),
-                B(BitwiseOrSmi), U8(24), R(1), U8(3),
+                B(BitwiseOrSmi), I8(24), R(1), U8(3),
   /*   77 E> */ B(StaCurrentContextSlot), U8(4),
                 B(LdaUndefined),
   /*   84 S> */ B(Return),
 ]
 constant pool: [
   SHARED_FUNCTION_INFO_TYPE,
 ]
 handlers: [
 ]