[ignition] desugar GetIterator() via bytecode rather than via AST

test/cctest/interpreter/bytecode_expectations/Generators.golden

Index: test/cctest/interpreter/bytecode_expectations/Generators.golden
diff --git a/test/cctest/interpreter/bytecode_expectations/Generators.golden b/test/cctest/interpreter/bytecode_expectations/Generators.golden
index 1f379c0306f2b81b27be6bfba767821aeaba0778..25a40dcdad1e48039f7996c564c6e0161a80b9d2 100644
--- a/test/cctest/interpreter/bytecode_expectations/Generators.golden
+++ b/test/cctest/interpreter/bytecode_expectations/Generators.golden
@@ -22,7 +22,7 @@ bytecodes: [
                 B(LdaZero),
                 B(TestEqualStrict), R(1), U8(0),
                 B(JumpIfTrue), U8(53),
-                B(LdaSmi), U8(77),
+                B(LdaSmi), U8(78),
                 B(Star), R(2),
                 B(CallRuntime), U16(Runtime::kAbort), R(2), U8(1),
                 B(LdaSmi), U8(-2),
@@ -135,7 +135,7 @@ bytecodes: [
                 B(LdaSmi), U8(1),
                 B(TestEqualStrict), R(1), U8(0),
                 B(JumpIfTrueConstant), U8(0),
-                B(LdaSmi), U8(77),
+                B(LdaSmi), U8(78),
                 B(Star), R(2),
                 B(CallRuntime), U16(Runtime::kAbort), R(2), U8(1),
                 B(LdaSmi), U8(-2),
@@ -277,7 +277,7 @@ snippet: "
 "
 frame size: 17
 parameter count: 1
-bytecode array length: 771
+bytecode array length: 777
 bytecodes: [
                 B(Ldar), R(new_target),
                 B(JumpIfUndefined), U8(28),
@@ -289,7 +289,7 @@ bytecodes: [
                 B(LdaSmi), U8(1),
                 B(TestEqualStrict), R(3), U8(0),
                 B(JumpIfTrueConstant), U8(3),
-                B(LdaSmi), U8(77),
+                B(LdaSmi), U8(78),
                 B(Star), R(4),
                 B(CallRuntime), U16(Runtime::kAbort), R(4), U8(1),
                 B(LdaSmi), U8(-2),
@@ -345,11 +345,12 @@ bytecodes: [
                 B(Mov), R(context), R(9),
                 B(Mov), R(context), R(10),
   /*   30 S> */ B(CreateArrayLiteral), U8(1), U8(0), U8(9),
-                B(Star), R(12),
-                B(LdaConstant), U8(2),
-  /*   30 E> */ B(LdaKeyedProperty), R(12), U8(4),
                 B(Star), R(11),
-  /*   30 E> */ B(CallProperty), R(11), R(12), U8(1), U8(2),
+                B(LdaNamedProperty), R(11), U8(2), U8(2),
+                B(Star), R(12),
+                B(CallProperty), R(12), R(11), U8(1), U8(4),
+                B(JumpIfJSReceiver), U8(7),
+                B(CallRuntime), U16(Runtime::kThrowSymbolIteratorInvalid), R(0), U8(0),
   /*   30 E> */ B(StaContextSlot), R(1), U8(7), U8(0),
                 B(LdaSmi), U8(-2),
                 B(TestEqual), R(3), U8(0),
@@ -357,7 +358,7 @@ bytecodes: [
                 B(LdaSmi), U8(1),
                 B(TestEqualStrict), R(3), U8(0),
                 B(JumpIfTrueConstant), U8(8),
-                B(LdaSmi), U8(77),
+                B(LdaSmi), U8(78),
                 B(Star), R(11),
                 B(CallRuntime), U16(Runtime::kAbort), R(11), U8(1),
   /*   27 S> */ B(LdaContextSlot), R(1), U8(7), U8(0),
@@ -606,7 +607,7 @@ constant pool: [
   FIXED_ARRAY_TYPE,
   FIXED_ARRAY_TYPE,
   SYMBOL_TYPE,
-  Smi [149],
+  Smi [155],
   ONE_BYTE_INTERNALIZED_STRING_TYPE ["next"],
   ONE_BYTE_INTERNALIZED_STRING_TYPE ["done"],
   ONE_BYTE_INTERNALIZED_STRING_TYPE ["value"],
@@ -621,12 +622,12 @@ constant pool: [
   FIXED_ARRAY_TYPE,
   Smi [133],
   Smi [161],
-  Smi [581],
+  Smi [587],
 ]
 handlers: [
-  [46, 690, 696],
-  [143, 438, 444],
-  [146, 394, 396],
-  [542, 558, 560],
+  [46, 696, 702],
+  [143, 444, 450],
+  [146, 400, 402],
+  [548, 564, 566],
 ]