[ignition] Expect 'I' for signed bytecode operands

test/cctest/interpreter/bytecode_expectations/CountOperators.golden

 #
 # Autogenerated by generate-bytecode-expectations.
 #
 
 ---
 wrap: yes
 
 ---
 snippet: "
   var a = 1; return ++a;
 "
 frame size: 1
 parameter count: 1
 bytecode array length: 10
 bytecodes: [
   /*   30 E> */ B(StackCheck),
-  /*   42 S> */ B(LdaSmi), U8(1),
+  /*   42 S> */ B(LdaSmi), I8(1),
                 B(Star), R(0),
   /*   45 S> */ B(Inc), U8(2),
                 B(Star), R(0),
   /*   57 S> */ B(Return),
 ]
 constant pool: [
 ]
 handlers: [
 ]
 
 ---
 snippet: "
   var a = 1; return a++;
 "
 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(ToNumber), R(1),
                 B(Ldar), R(1),
                 B(Inc), U8(2),
                 B(Star), R(0),
                 B(Ldar), R(1),
   /*   57 S> */ B(Return),
 ]
 constant pool: [
 ]
 handlers: [
 ]
 
 ---
 snippet: "
   var a = 1; return --a;
 "
 frame size: 1
 parameter count: 1
 bytecode array length: 10
 bytecodes: [
   /*   30 E> */ B(StackCheck),
-  /*   42 S> */ B(LdaSmi), U8(1),
+  /*   42 S> */ B(LdaSmi), I8(1),
                 B(Star), R(0),
   /*   45 S> */ B(Dec), U8(2),
                 B(Star), R(0),
   /*   57 S> */ B(Return),
 ]
 constant pool: [
 ]
 handlers: [
 ]
 
 ---
 snippet: "
   var a = 1; return a--;
 "
 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(ToNumber), R(1),
                 B(Ldar), R(1),
                 B(Dec), U8(2),
                 B(Star), R(0),
                 B(Ldar), R(1),
   /*   57 S> */ B(Return),
 ]
 constant pool: [
 ]
@@ skipping 108 matching lines @@
 snippet: "
   var a = 1; var b = function() { return a }; return ++a;
 "
 frame size: 2
 parameter count: 1
 bytecode array length: 22
 bytecodes: [
                 B(CreateFunctionContext), U8(1),
                 B(PushContext), R(1),
   /*   30 E> */ B(StackCheck),
-  /*   42 S> */ B(LdaSmi), U8(1),
+  /*   42 S> */ B(LdaSmi), I8(1),
   /*   42 E> */ B(StaCurrentContextSlot), U8(4),
   /*   53 S> */ B(CreateClosure), U8(0), U8(2), U8(2),
                 B(Star), R(0),
   /*   78 S> */ B(LdaCurrentContextSlot), U8(4),
                 B(Inc), U8(3),
   /*   87 E> */ B(StaCurrentContextSlot), U8(4),
   /*   90 S> */ B(Return),
 ]
 constant pool: [
   SHARED_FUNCTION_INFO_TYPE,
 ]
 handlers: [
 ]
 
 ---
 snippet: "
   var a = 1; var b = function() { return a }; return a--;
 "
 frame size: 3
 parameter count: 1
 bytecode array length: 28
 bytecodes: [
                 B(CreateFunctionContext), U8(1),
                 B(PushContext), R(1),
   /*   30 E> */ B(StackCheck),
-  /*   42 S> */ B(LdaSmi), U8(1),
+  /*   42 S> */ B(LdaSmi), I8(1),
   /*   42 E> */ B(StaCurrentContextSlot), U8(4),
   /*   53 S> */ B(CreateClosure), U8(0), U8(2), U8(2),
                 B(Star), R(0),
   /*   78 S> */ B(LdaCurrentContextSlot), U8(4),
                 B(ToNumber), R(2),
                 B(Ldar), R(2),
                 B(Dec), U8(3),
   /*   86 E> */ B(StaCurrentContextSlot), U8(4),
                 B(Ldar), R(2),
   /*   90 S> */ B(Return),
 ]
 constant pool: [
   SHARED_FUNCTION_INFO_TYPE,
 ]
 handlers: [
 ]
 
 ---
 snippet: "
   var idx = 1; var a = [1, 2]; return a[idx++] = 2;
 "
 frame size: 4
 parameter count: 1
 bytecode array length: 28
 bytecodes: [
   /*   30 E> */ B(StackCheck),
-  /*   44 S> */ B(LdaSmi), U8(1),
+  /*   44 S> */ B(LdaSmi), I8(1),
                 B(Star), R(0),
   /*   55 S> */ B(CreateArrayLiteral), U8(0), U8(0), U8(9),
                 B(Star), R(1),
   /*   63 S> */ B(Ldar), R(0),
                 B(ToNumber), R(3),
                 B(Ldar), R(3),
                 B(Inc), U8(2),
                 B(Star), R(0),
-                B(LdaSmi), U8(2),
+                B(LdaSmi), I8(2),
   /*   79 E> */ B(StaKeyedPropertySloppy), R(1), R(3), U8(3),
   /*   84 S> */ B(Return),
 ]
 constant pool: [
   CONSTANT_ELEMENTS_PAIR_TYPE,
 ]
 handlers: [
 ]