1 files changed, 385 insertions, 510 deletions
diff --git a/deps/v8/test/cctest/interpreter/bytecode_expectations/BasicLoops.golden b/deps/v8/test/cctest/interpreter/bytecode_expectations/BasicLoops.golden
index 05ee657105..6dcd2692af 100644
--- a/deps/v8/test/cctest/interpreter/bytecode_expectations/BasicLoops.golden
+++ b/deps/v8/test/cctest/interpreter/bytecode_expectations/BasicLoops.golden
@@ -15,12 +15,13 @@ snippet: "
 "
 frame size: 1
 parameter count: 1
-bytecode array length: 5
+bytecode array length: 6
 bytecodes: [
-  B(StackCheck),
-  B(LdaZero),
-  B(Star), R(0),
-  B(Return),
+  /*   30 E> */ B(StackCheck),
+  /*   42 S> */ B(LdaZero),
+                B(Star), R(0),
+  /*   88 S> */ B(Nop),
+  /*   98 S> */ B(Return),
 ]
 constant pool: [
 ]
@@ -37,12 +38,13 @@ snippet: "
 "
 frame size: 1
 parameter count: 1
-bytecode array length: 5
+bytecode array length: 6
 bytecodes: [
-  B(StackCheck),
-  B(LdaZero),
-  B(Star), R(0),
-  B(Return),
+  /*   30 E> */ B(StackCheck),
+  /*   42 S> */ B(LdaZero),
+                B(Star), R(0),
+  /*   77 S> */ B(Nop),
+  /*   87 S> */ B(Return),
 ]
 constant pool: [
 ]
@@ -61,45 +63,35 @@ snippet: "
   }
   return y;
 "
-frame size: 3
+frame size: 2
 parameter count: 1
-bytecode array length: 66
+bytecode array length: 49
 bytecodes: [
-  B(StackCheck),
-  B(LdaZero),
-  B(Star), R(0),
-  B(LdaSmi), U8(1),
-  B(Star), R(1),
-  B(Ldar), R(0),
-  B(Star), R(2),
-  B(LdaSmi), U8(10),
-  B(TestLessThan), R(2),
-  B(JumpIfFalse), U8(47),
-  B(StackCheck),
-  B(Ldar), R(1),
-  B(Star), R(2),
-  B(LdaSmi), U8(12),
-  B(Mul), R(2),
-  B(Star), R(1),
-  B(Ldar), R(0),
-  B(Star), R(2),
-  B(LdaSmi), U8(1),
-  B(Add), R(2),
-  B(Star), R(0),
-  B(Star), R(2),
-  B(LdaSmi), U8(3),
-  B(TestEqual), R(2),
-  B(JumpIfFalse), U8(4),
-  B(Jump), U8(-39),
-  B(Ldar), R(0),
-  B(Star), R(2),
-  B(LdaSmi), U8(4),
-  B(TestEqual), R(2),
-  B(JumpIfFalse), U8(4),
-  B(Jump), U8(4),
-  B(Jump), U8(-53),
-  B(Ldar), R(1),
-  B(Return),
+  /*   30 E> */ B(StackCheck),
+  /*   42 S> */ B(LdaZero),
+                B(Star), R(0),
+  /*   53 S> */ B(LdaSmi), U8(1),
+                B(Star), R(1),
+  /*   65 S> */ B(LdaSmi), U8(10),
+  /*   65 E> */ B(TestLessThan), R(0),
+                B(JumpIfFalse), U8(34),
+  /*   56 E> */ B(StackCheck),
+  /*   75 S> */ B(LdaSmi), U8(12),
+                B(Mul), R(1), U8(1),
+                B(Star), R(1),
+  /*   89 S> */ B(AddSmi), U8(1), R(0), U8(2),
+                B(Star), R(0),
+  /*  102 S> */ B(LdaSmi), U8(3),
+  /*  108 E> */ B(TestEqual), R(0),
+                B(JumpIfFalse), U8(4),
+  /*  114 S> */ B(Jump), U8(10),
+  /*  126 S> */ B(LdaSmi), U8(4),
+  /*  132 E> */ B(TestEqual), R(0),
+                B(JumpIfFalse), U8(4),
+  /*  138 S> */ B(Jump), U8(4),
+                B(Jump), U8(-36),
+  /*  147 S> */ B(Ldar), R(1),
+  /*  157 S> */ B(Return),
 ]
 constant pool: [
 ]
@@ -119,52 +111,39 @@ snippet: "
   }
   return i;
 "
-frame size: 2
+frame size: 1
 parameter count: 1
-bytecode array length: 79
+bytecode array length: 55
 bytecodes: [
-  B(StackCheck),
-  B(LdaZero),
-  B(Star), R(0),
-  B(StackCheck),
-  B(Ldar), R(0),
-  B(Star), R(1),
-  B(LdaZero),
-  B(TestLessThan), R(1),
-  B(JumpIfFalse), U8(4),
-  B(Jump), U8(-10),
-  B(Ldar), R(0),
-  B(Star), R(1),
-  B(LdaSmi), U8(3),
-  B(TestEqual), R(1),
-  B(JumpIfFalse), U8(4),
-  B(Jump), U8(50),
-  B(Ldar), R(0),
-  B(Star), R(1),
-  B(LdaSmi), U8(4),
-  B(TestEqual), R(1),
-  B(JumpIfFalse), U8(4),
-  B(Jump), U8(38),
-  B(Ldar), R(0),
-  B(Star), R(1),
-  B(LdaSmi), U8(10),
-  B(TestEqual), R(1),
-  B(JumpIfFalse), U8(4),
-  B(Jump), U8(-46),
-  B(Ldar), R(0),
-  B(Star), R(1),
-  B(LdaSmi), U8(5),
-  B(TestEqual), R(1),
-  B(JumpIfFalse), U8(4),
-  B(Jump), U8(14),
-  B(Ldar), R(0),
-  B(Star), R(1),
-  B(LdaSmi), U8(1),
-  B(Add), R(1),
-  B(Star), R(0),
-  B(Jump), U8(-70),
-  B(Ldar), R(0),
-  B(Return),
+  /*   30 E> */ B(StackCheck),
+  /*   42 S> */ B(LdaZero),
+                B(Star), R(0),
+  /*   45 E> */ B(StackCheck),
+  /*   62 S> */ B(LdaZero),
+  /*   68 E> */ B(TestLessThan), R(0),
+                B(JumpIfFalse), U8(4),
+  /*   73 S> */ B(Jump), U8(40),
+  /*   85 S> */ B(LdaSmi), U8(3),
+  /*   91 E> */ B(TestEqual), R(0),
+                B(JumpIfFalse), U8(4),
+  /*   97 S> */ B(Jump), U8(34),
+  /*  106 S> */ B(LdaSmi), U8(4),
+  /*  112 E> */ B(TestEqual), R(0),
+                B(JumpIfFalse), U8(4),
+  /*  118 S> */ B(Jump), U8(26),
+  /*  127 S> */ B(LdaSmi), U8(10),
+  /*  133 E> */ B(TestEqual), R(0),
+                B(JumpIfFalse), U8(4),
+  /*  140 S> */ B(Jump), U8(16),
+  /*  152 S> */ B(LdaSmi), U8(5),
+  /*  158 E> */ B(TestEqual), R(0),
+                B(JumpIfFalse), U8(4),
+  /*  164 S> */ B(Jump), U8(10),
+  /*  173 S> */ B(AddSmi), U8(1), R(0), U8(1),
+                B(Star), R(0),
+                B(Jump), U8(-46),
+  /*  186 S> */ B(Ldar), R(0),
+  /*  196 S> */ B(Return),
 ]
 constant pool: [
 ]
@@ -184,41 +163,30 @@ snippet: "
   }
   return i;
 "
-frame size: 2
+frame size: 1
 parameter count: 1
-bytecode array length: 57
+bytecode array length: 39
 bytecodes: [
-  B(StackCheck),
-  B(LdaZero),
-  B(Star), R(0),
-  B(StackCheck),
-  B(Ldar), R(0),
-  B(Star), R(1),
-  B(LdaSmi), U8(3),
-  B(TestLessThan), R(1),
-  B(JumpIfFalse), U8(27),
-  B(StackCheck),
-  B(Ldar), R(0),
-  B(Star), R(1),
-  B(LdaSmi), U8(2),
-  B(TestEqual), R(1),
-  B(JumpIfFalse), U8(4),
-  B(Jump), U8(14),
-  B(Ldar), R(0),
-  B(Star), R(1),
-  B(LdaSmi), U8(1),
-  B(Add), R(1),
-  B(Star), R(0),
-  B(Jump), U8(-33),
-  B(Ldar), R(0),
-  B(Star), R(1),
-  B(LdaSmi), U8(1),
-  B(Add), R(1),
-  B(Star), R(0),
-  B(Jump), U8(4),
-  B(Jump), U8(-48),
-  B(Ldar), R(0),
-  B(Return),
+  /*   30 E> */ B(StackCheck),
+  /*   42 S> */ B(LdaZero),
+                B(Star), R(0),
+  /*   45 E> */ B(StackCheck),
+  /*   71 S> */ B(LdaSmi), U8(3),
+  /*   71 E> */ B(TestLessThan), R(0),
+                B(JumpIfFalse), U8(19),
+  /*   62 E> */ B(StackCheck),
+  /*   82 S> */ B(LdaSmi), U8(2),
+  /*   88 E> */ B(TestEqual), R(0),
+                B(JumpIfFalse), U8(4),
+  /*   94 S> */ B(Jump), U8(10),
+  /*  105 S> */ B(AddSmi), U8(1), R(0), U8(1),
+                B(Star), R(0),
+                B(Jump), U8(-21),
+  /*  122 S> */ B(AddSmi), U8(1), R(0), U8(2),
+                B(Star), R(0),
+  /*  135 S> */ B(Jump), U8(2),
+  /*  144 S> */ B(Ldar), R(0),
+  /*  154 S> */ B(Return),
 ]
 constant pool: [
 ]
@@ -235,31 +203,26 @@ snippet: "
   }
   return y;
 "
-frame size: 3
+frame size: 2
 parameter count: 1
-bytecode array length: 39
+bytecode array length: 32
 bytecodes: [
-  B(StackCheck),
-  B(LdaSmi), U8(10),
-  B(Star), R(0),
-  B(LdaSmi), U8(1),
-  B(Star), R(1),
-  B(Ldar), R(0),
-  B(JumpIfToBooleanFalse), U8(25),
-  B(StackCheck),
-  B(Ldar), R(1),
-  B(Star), R(2),
-  B(LdaSmi), U8(12),
-  B(Mul), R(2),
-  B(Star), R(1),
-  B(Ldar), R(0),
-  B(Star), R(2),
-  B(LdaSmi), U8(1),
-  B(Sub), R(2),
-  B(Star), R(0),
-  B(Jump), U8(-25),
-  B(Ldar), R(1),
-  B(Return),
+  /*   30 E> */ B(StackCheck),
+  /*   42 S> */ B(LdaSmi), U8(10),
+                B(Star), R(0),
+  /*   54 S> */ B(LdaSmi), U8(1),
+                B(Star), R(1),
+  /*   64 S> */ B(Ldar), R(0),
+                B(JumpIfToBooleanFalse), U8(18),
+  /*   57 E> */ B(StackCheck),
+  /*   71 S> */ B(LdaSmi), U8(12),
+                B(Mul), R(1), U8(1),
+                B(Star), R(1),
+  /*   85 S> */ B(SubSmi), U8(1), R(0), U8(2),
+                B(Star), R(0),
+                B(Jump), U8(-18),
+  /*   98 S> */ B(Ldar), R(1),
+  /*  108 S> */ B(Return),
 ]
 constant pool: [
 ]
@@ -277,45 +240,34 @@ snippet: "
   } while (x < 10);
   return y;
 "
-frame size: 3
+frame size: 2
 parameter count: 1
-bytecode array length: 66
+bytecode array length: 47
 bytecodes: [
-  B(StackCheck),
-  B(LdaZero),
-  B(Star), R(0),
-  B(LdaSmi), U8(1),
-  B(Star), R(1),
-  B(StackCheck),
-  B(Ldar), R(1),
-  B(Star), R(2),
-  B(LdaSmi), U8(10),
-  B(Mul), R(2),
-  B(Star), R(1),
-  B(Ldar), R(0),
-  B(Star), R(2),
-  B(LdaSmi), U8(5),
-  B(TestEqual), R(2),
-  B(JumpIfFalse), U8(4),
-  B(Jump), U8(34),
-  B(Ldar), R(0),
-  B(Star), R(2),
-  B(LdaSmi), U8(6),
-  B(TestEqual), R(2),
-  B(JumpIfFalse), U8(4),
-  B(Jump), U8(12),
-  B(Ldar), R(0),
-  B(Star), R(2),
-  B(LdaSmi), U8(1),
-  B(Add), R(2),
-  B(Star), R(0),
-  B(Ldar), R(0),
-  B(Star), R(2),
-  B(LdaSmi), U8(10),
-  B(TestLessThan), R(2),
-  B(JumpIfTrue), U8(-53),
-  B(Ldar), R(1),
-  B(Return),
+  /*   30 E> */ B(StackCheck),
+  /*   42 S> */ B(LdaZero),
+                B(Star), R(0),
+  /*   53 S> */ B(LdaSmi), U8(1),
+                B(Star), R(1),
+  /*   56 E> */ B(StackCheck),
+  /*   63 S> */ B(LdaSmi), U8(10),
+                B(Mul), R(1), U8(1),
+                B(Star), R(1),
+  /*   77 S> */ B(LdaSmi), U8(5),
+  /*   83 E> */ B(TestEqual), R(0),
+                B(JumpIfFalse), U8(4),
+  /*   89 S> */ B(Jump), U8(22),
+  /*   98 S> */ B(LdaSmi), U8(6),
+  /*  104 E> */ B(TestEqual), R(0),
+                B(JumpIfFalse), U8(4),
+  /*  110 S> */ B(Jump), U8(8),
+  /*  122 S> */ B(AddSmi), U8(1), R(0), U8(2),
+                B(Star), R(0),
+  /*  144 S> */ B(LdaSmi), U8(10),
+  /*  144 E> */ B(TestLessThan), R(0),
+                B(JumpIfTrue), U8(-34),
+  /*  151 S> */ B(Ldar), R(1),
+  /*  161 S> */ B(Return),
 ]
 constant pool: [
 ]
@@ -332,30 +284,24 @@ snippet: "
   } while (x);
   return y;
 "
-frame size: 3
+frame size: 2
 parameter count: 1
-bytecode array length: 37
+bytecode array length: 28
 bytecodes: [
-  B(StackCheck),
-  B(LdaSmi), U8(10),
-  B(Star), R(0),
-  B(LdaSmi), U8(1),
-  B(Star), R(1),
-  B(StackCheck),
-  B(Ldar), R(1),
-  B(Star), R(2),
-  B(LdaSmi), U8(12),
-  B(Mul), R(2),
-  B(Star), R(1),
-  B(Ldar), R(0),
-  B(Star), R(2),
-  B(LdaSmi), U8(1),
-  B(Sub), R(2),
-  B(Star), R(0),
-  B(Ldar), R(0),
-  B(JumpIfToBooleanTrue), U8(-23),
-  B(Ldar), R(1),
-  B(Return),
+  /*   30 E> */ B(StackCheck),
+  /*   42 S> */ B(LdaSmi), U8(10),
+                B(Star), R(0),
+  /*   54 S> */ B(LdaSmi), U8(1),
+                B(Star), R(1),
+  /*   57 E> */ B(StackCheck),
+  /*   64 S> */ B(LdaSmi), U8(12),
+                B(Mul), R(1), U8(1),
+                B(Star), R(1),
+  /*   78 S> */ B(SubSmi), U8(1), R(0), U8(2),
+                B(Star), R(0),
+  /*   98 S> */ B(JumpIfToBooleanTrue), U8(-14),
+  /*  102 S> */ B(Ldar), R(1),
+  /*  112 S> */ B(Return),
 ]
 constant pool: [
 ]
@@ -373,39 +319,31 @@ snippet: "
   } while (false);
   return y;
 "
-frame size: 3
+frame size: 2
 parameter count: 1
-bytecode array length: 54
+bytecode array length: 41
 bytecodes: [
-  B(StackCheck),
-  B(LdaZero),
-  B(Star), R(0),
-  B(LdaSmi), U8(1),
-  B(Star), R(1),
-  B(StackCheck),
-  B(Ldar), R(1),
-  B(Star), R(2),
-  B(LdaSmi), U8(10),
-  B(Mul), R(2),
-  B(Star), R(1),
-  B(Ldar), R(0),
-  B(Star), R(2),
-  B(LdaSmi), U8(5),
-  B(TestEqual), R(2),
-  B(JumpIfFalse), U8(4),
-  B(Jump), U8(22),
-  B(Ldar), R(0),
-  B(Star), R(2),
-  B(LdaSmi), U8(1),
-  B(Add), R(2),
-  B(Star), R(0),
-  B(Star), R(2),
-  B(LdaSmi), U8(6),
-  B(TestEqual), R(2),
-  B(JumpIfFalse), U8(4),
-  B(Jump), U8(2),
-  B(Ldar), R(1),
-  B(Return),
+  /*   30 E> */ B(StackCheck),
+  /*   42 S> */ B(LdaZero),
+                B(Star), R(0),
+  /*   53 S> */ B(LdaSmi), U8(1),
+                B(Star), R(1),
+  /*   56 E> */ B(StackCheck),
+  /*   63 S> */ B(LdaSmi), U8(10),
+                B(Mul), R(1), U8(1),
+                B(Star), R(1),
+  /*   77 S> */ B(LdaSmi), U8(5),
+  /*   83 E> */ B(TestEqual), R(0),
+                B(JumpIfFalse), U8(4),
+  /*   89 S> */ B(Jump), U8(16),
+  /*   98 S> */ B(AddSmi), U8(1), R(0), U8(2),
+                B(Star), R(0),
+  /*  111 S> */ B(LdaSmi), U8(6),
+  /*  117 E> */ B(TestEqual), R(0),
+                B(JumpIfFalse), U8(4),
+  /*  123 S> */ B(Jump), U8(2),
+  /*  150 S> */ B(Ldar), R(1),
+  /*  160 S> */ B(Return),
 ]
 constant pool: [
 ]
@@ -423,40 +361,32 @@ snippet: "
   } while (true);
   return y;
 "
-frame size: 3
+frame size: 2
 parameter count: 1
-bytecode array length: 56
+bytecode array length: 43
 bytecodes: [
-  B(StackCheck),
-  B(LdaZero),
-  B(Star), R(0),
-  B(LdaSmi), U8(1),
-  B(Star), R(1),
-  B(StackCheck),
-  B(Ldar), R(1),
-  B(Star), R(2),
-  B(LdaSmi), U8(10),
-  B(Mul), R(2),
-  B(Star), R(1),
-  B(Ldar), R(0),
-  B(Star), R(2),
-  B(LdaSmi), U8(5),
-  B(TestEqual), R(2),
-  B(JumpIfFalse), U8(4),
-  B(Jump), U8(24),
-  B(Ldar), R(0),
-  B(Star), R(2),
-  B(LdaSmi), U8(1),
-  B(Add), R(2),
-  B(Star), R(0),
-  B(Star), R(2),
-  B(LdaSmi), U8(6),
-  B(TestEqual), R(2),
-  B(JumpIfFalse), U8(4),
-  B(Jump), U8(-41),
-  B(Jump), U8(-43),
-  B(Ldar), R(1),
-  B(Return),
+  /*   30 E> */ B(StackCheck),
+  /*   42 S> */ B(LdaZero),
+                B(Star), R(0),
+  /*   53 S> */ B(LdaSmi), U8(1),
+                B(Star), R(1),
+  /*   56 E> */ B(StackCheck),
+  /*   63 S> */ B(LdaSmi), U8(10),
+                B(Mul), R(1), U8(1),
+                B(Star), R(1),
+  /*   77 S> */ B(LdaSmi), U8(5),
+  /*   83 E> */ B(TestEqual), R(0),
+                B(JumpIfFalse), U8(4),
+  /*   89 S> */ B(Jump), U8(18),
+  /*   98 S> */ B(AddSmi), U8(1), R(0), U8(2),
+                B(Star), R(0),
+  /*  111 S> */ B(LdaSmi), U8(6),
+  /*  117 E> */ B(TestEqual), R(0),
+                B(JumpIfFalse), U8(4),
+  /*  123 S> */ B(Jump), U8(2),
+                B(Jump), U8(-30),
+  /*  149 S> */ B(Ldar), R(1),
+  /*  159 S> */ B(Return),
 ]
 constant pool: [
 ]
@@ -472,34 +402,27 @@ snippet: "
     x = x + 1;
   }
 "
-frame size: 2
+frame size: 1
 parameter count: 1
-bytecode array length: 43
+bytecode array length: 31
 bytecodes: [
-  B(StackCheck),
-  B(LdaZero),
-  B(Star), R(0),
-  B(StackCheck),
-  B(Ldar), R(0),
-  B(Star), R(1),
-  B(LdaSmi), U8(1),
-  B(TestEqual), R(1),
-  B(JumpIfFalse), U8(4),
-  B(Jump), U8(26),
-  B(Ldar), R(0),
-  B(Star), R(1),
-  B(LdaSmi), U8(2),
-  B(TestEqual), R(1),
-  B(JumpIfFalse), U8(4),
-  B(Jump), U8(-23),
-  B(Ldar), R(0),
-  B(Star), R(1),
-  B(LdaSmi), U8(1),
-  B(Add), R(1),
-  B(Star), R(0),
-  B(Jump), U8(-35),
-  B(LdaUndefined),
-  B(Return),
+  /*   30 E> */ B(StackCheck),
+  /*   42 S> */ B(LdaZero),
+                B(Star), R(0),
+  /*   45 E> */ B(StackCheck),
+  /*   58 S> */ B(LdaSmi), U8(1),
+  /*   64 E> */ B(TestEqual), R(0),
+                B(JumpIfFalse), U8(4),
+  /*   70 S> */ B(Jump), U8(18),
+  /*   79 S> */ B(LdaSmi), U8(2),
+  /*   85 E> */ B(TestEqual), R(0),
+                B(JumpIfFalse), U8(4),
+  /*   91 S> */ B(Jump), U8(8),
+  /*  103 S> */ B(AddSmi), U8(1), R(0), U8(1),
+                B(Star), R(0),
+                B(Jump), U8(-23),
+                B(LdaUndefined),
+  /*  116 S> */ B(Return),
 ]
 constant pool: [
 ]
@@ -514,34 +437,27 @@ snippet: "
     x = x + 1;
   }
 "
-frame size: 2
+frame size: 1
 parameter count: 1
-bytecode array length: 43
+bytecode array length: 31
 bytecodes: [
-  B(StackCheck),
-  B(LdaZero),
-  B(Star), R(0),
-  B(StackCheck),
-  B(Ldar), R(0),
-  B(Star), R(1),
-  B(LdaSmi), U8(1),
-  B(TestEqual), R(1),
-  B(JumpIfFalse), U8(4),
-  B(Jump), U8(26),
-  B(Ldar), R(0),
-  B(Star), R(1),
-  B(LdaSmi), U8(2),
-  B(TestEqual), R(1),
-  B(JumpIfFalse), U8(4),
-  B(Jump), U8(-23),
-  B(Ldar), R(0),
-  B(Star), R(1),
-  B(LdaSmi), U8(1),
-  B(Add), R(1),
-  B(Star), R(0),
-  B(Jump), U8(-35),
-  B(LdaUndefined),
-  B(Return),
+  /*   30 E> */ B(StackCheck),
+  /*   47 S> */ B(LdaZero),
+                B(Star), R(0),
+  /*   34 E> */ B(StackCheck),
+  /*   56 S> */ B(LdaSmi), U8(1),
+  /*   62 E> */ B(TestEqual), R(0),
+                B(JumpIfFalse), U8(4),
+  /*   68 S> */ B(Jump), U8(18),
+  /*   77 S> */ B(LdaSmi), U8(2),
+  /*   83 E> */ B(TestEqual), R(0),
+                B(JumpIfFalse), U8(4),
+  /*   89 S> */ B(Jump), U8(8),
+  /*  101 S> */ B(AddSmi), U8(1), R(0), U8(1),
+                B(Star), R(0),
+                B(Jump), U8(-23),
+                B(LdaUndefined),
+  /*  114 S> */ B(Return),
 ]
 constant pool: [
 ]
@@ -556,34 +472,27 @@ snippet: "
     if (x == 2) continue;
   }
 "
-frame size: 2
+frame size: 1
 parameter count: 1
-bytecode array length: 43
+bytecode array length: 31
 bytecodes: [
-  B(StackCheck),
-  B(LdaZero),
-  B(Star), R(0),
-  B(StackCheck),
-  B(Ldar), R(0),
-  B(Star), R(1),
-  B(LdaSmi), U8(1),
-  B(TestEqual), R(1),
-  B(JumpIfFalse), U8(4),
-  B(Jump), U8(26),
-  B(Ldar), R(0),
-  B(Star), R(1),
-  B(LdaSmi), U8(2),
-  B(TestEqual), R(1),
-  B(JumpIfFalse), U8(4),
-  B(Jump), U8(2),
-  B(Ldar), R(0),
-  B(Star), R(1),
-  B(LdaSmi), U8(1),
-  B(Add), R(1),
-  B(Star), R(0),
-  B(Jump), U8(-35),
-  B(LdaUndefined),
-  B(Return),
+  /*   30 E> */ B(StackCheck),
+  /*   42 S> */ B(LdaZero),
+                B(Star), R(0),
+  /*   45 E> */ B(StackCheck),
+  /*   68 S> */ B(LdaSmi), U8(1),
+  /*   74 E> */ B(TestEqual), R(0),
+                B(JumpIfFalse), U8(4),
+  /*   80 S> */ B(Jump), U8(18),
+  /*   89 S> */ B(LdaSmi), U8(2),
+  /*   95 E> */ B(TestEqual), R(0),
+                B(JumpIfFalse), U8(4),
+  /*  101 S> */ B(Jump), U8(2),
+  /*   55 S> */ B(AddSmi), U8(1), R(0), U8(1),
+                B(Star), R(0),
+                B(Jump), U8(-23),
+                B(LdaUndefined),
+  /*  113 S> */ B(Return),
 ]
 constant pool: [
 ]
@@ -597,34 +506,27 @@ snippet: "
     if (x == 2) continue;
   }
 "
-frame size: 2
+frame size: 1
 parameter count: 1
-bytecode array length: 43
+bytecode array length: 31
 bytecodes: [
-  B(StackCheck),
-  B(LdaZero),
-  B(Star), R(0),
-  B(StackCheck),
-  B(Ldar), R(0),
-  B(Star), R(1),
-  B(LdaSmi), U8(1),
-  B(TestEqual), R(1),
-  B(JumpIfFalse), U8(4),
-  B(Jump), U8(26),
-  B(Ldar), R(0),
-  B(Star), R(1),
-  B(LdaSmi), U8(2),
-  B(TestEqual), R(1),
-  B(JumpIfFalse), U8(4),
-  B(Jump), U8(2),
-  B(Ldar), R(0),
-  B(Star), R(1),
-  B(LdaSmi), U8(1),
-  B(Add), R(1),
-  B(Star), R(0),
-  B(Jump), U8(-35),
-  B(LdaUndefined),
-  B(Return),
+  /*   30 E> */ B(StackCheck),
+  /*   47 S> */ B(LdaZero),
+                B(Star), R(0),
+  /*   34 E> */ B(StackCheck),
+  /*   66 S> */ B(LdaSmi), U8(1),
+  /*   72 E> */ B(TestEqual), R(0),
+                B(JumpIfFalse), U8(4),
+  /*   78 S> */ B(Jump), U8(18),
+  /*   87 S> */ B(LdaSmi), U8(2),
+  /*   93 E> */ B(TestEqual), R(0),
+                B(JumpIfFalse), U8(4),
+  /*   99 S> */ B(Jump), U8(2),
+  /*   53 S> */ B(AddSmi), U8(1), R(0), U8(1),
+                B(Star), R(0),
+                B(Jump), U8(-23),
+                B(LdaUndefined),
+  /*  111 S> */ B(Return),
 ]
 constant pool: [
 ]
@@ -639,35 +541,27 @@ snippet: "
     continue;
   }
 "
-frame size: 3
+frame size: 2
 parameter count: 1
-bytecode array length: 44
+bytecode array length: 32
 bytecodes: [
-  B(StackCheck),
-  B(LdaZero),
-  B(Star), R(0),
-  B(LdaZero),
-  B(Star), R(1),
-  B(Ldar), R(1),
-  B(Star), R(2),
-  B(LdaSmi), U8(100),
-  B(TestLessThan), R(2),
-  B(JumpIfFalse), U8(27),
-  B(StackCheck),
-  B(Ldar), R(0),
-  B(Star), R(2),
-  B(LdaSmi), U8(1),
-  B(Add), R(2),
-  B(Star), R(0),
-  B(Jump), U8(2),
-  B(Ldar), R(1),
-  B(Star), R(2),
-  B(LdaSmi), U8(1),
-  B(Add), R(2),
-  B(Star), R(1),
-  B(Jump), U8(-33),
-  B(LdaUndefined),
-  B(Return),
+  /*   30 E> */ B(StackCheck),
+  /*   42 S> */ B(LdaZero),
+                B(Star), R(0),
+  /*   58 S> */ B(LdaZero),
+                B(Star), R(1),
+  /*   63 S> */ B(LdaSmi), U8(100),
+  /*   63 E> */ B(TestLessThan), R(1),
+                B(JumpIfFalse), U8(19),
+  /*   45 E> */ B(StackCheck),
+  /*   85 S> */ B(AddSmi), U8(1), R(0), U8(2),
+                B(Star), R(0),
+  /*   98 S> */ B(Jump), U8(2),
+  /*   72 S> */ B(AddSmi), U8(1), R(1), U8(1),
+                B(Star), R(1),
+                B(Jump), U8(-21),
+                B(LdaUndefined),
+  /*  110 S> */ B(Return),
 ]
 constant pool: [
 ]
@@ -682,30 +576,27 @@ snippet: "
   }
   return y;
 "
-frame size: 3
+frame size: 2
 parameter count: 1
-bytecode array length: 35
+bytecode array length: 32
 bytecodes: [
-  B(StackCheck),
-  B(LdaSmi), U8(1),
-  B(Star), R(0),
-  B(LdaSmi), U8(10),
-  B(Star), R(1),
-  B(Ldar), R(1),
-  B(JumpIfToBooleanFalse), U8(21),
-  B(StackCheck),
-  B(Ldar), R(0),
-  B(Star), R(2),
-  B(LdaSmi), U8(12),
-  B(Mul), R(2),
-  B(Star), R(0),
-  B(Ldar), R(1),
-  B(ToNumber),
-  B(Dec),
-  B(Star), R(1),
-  B(Jump), U8(-21),
-  B(Ldar), R(0),
-  B(Return),
+  /*   30 E> */ B(StackCheck),
+  /*   42 S> */ B(LdaSmi), U8(1),
+                B(Star), R(0),
+  /*   58 S> */ B(LdaSmi), U8(10),
+                B(Star), R(1),
+  /*   62 S> */ B(Ldar), R(1),
+                B(JumpIfToBooleanFalse), U8(18),
+  /*   45 E> */ B(StackCheck),
+  /*   74 S> */ B(LdaSmi), U8(12),
+                B(Mul), R(0), U8(2),
+                B(Star), R(0),
+  /*   67 S> */ B(Ldar), R(1),
+                B(Dec), U8(1),
+                B(Star), R(1),
+                B(Jump), U8(-18),
+  /*   88 S> */ B(Ldar), R(0),
+  /*   98 S> */ B(Return),
 ]
 constant pool: [
 ]
@@ -724,13 +615,13 @@ frame size: 2
 parameter count: 1
 bytecode array length: 10
 bytecodes: [
-  B(StackCheck),
-  B(LdaZero),
-  B(Star), R(0),
-  B(LdaZero),
-  B(Star), R(1),
-  B(Ldar), R(0),
-  B(Return),
+  /*   30 E> */ B(StackCheck),
+  /*   42 S> */ B(LdaZero),
+                B(Star), R(0),
+  /*   58 S> */ B(LdaZero),
+                B(Star), R(1),
+  /*   91 S> */ B(Ldar), R(0),
+  /*  101 S> */ B(Return),
 ]
 constant pool: [
 ]
@@ -746,33 +637,28 @@ snippet: "
   };
   return x;
 "
-frame size: 3
+frame size: 2
 parameter count: 1
-bytecode array length: 39
+bytecode array length: 33
 bytecodes: [
-  B(StackCheck),
-  B(LdaZero),
-  B(Star), R(0),
-  B(LdaZero),
-  B(Star), R(1),
-  B(StackCheck),
-  B(Ldar), R(0),
-  B(Star), R(2),
-  B(LdaSmi), U8(1),
-  B(Add), R(2),
-  B(Star), R(0),
-  B(Star), R(2),
-  B(LdaSmi), U8(20),
-  B(TestEqual), R(2),
-  B(JumpIfFalse), U8(4),
-  B(Jump), U8(10),
-  B(Ldar), R(1),
-  B(ToNumber),
-  B(Inc),
-  B(Star), R(1),
-  B(Jump), U8(-27),
-  B(Ldar), R(0),
-  B(Return),
+  /*   30 E> */ B(StackCheck),
+  /*   42 S> */ B(LdaZero),
+                B(Star), R(0),
+  /*   58 S> */ B(LdaZero),
+                B(Star), R(1),
+  /*   45 E> */ B(StackCheck),
+  /*   76 S> */ B(AddSmi), U8(1), R(0), U8(2),
+                B(Star), R(0),
+  /*   89 S> */ B(LdaSmi), U8(20),
+  /*   95 E> */ B(TestEqual), R(0),
+                B(JumpIfFalse), U8(4),
+  /*  102 S> */ B(Jump), U8(10),
+  /*   69 S> */ B(Ldar), R(1),
+                B(Inc), U8(1),
+                B(Star), R(1),
+                B(Jump), U8(-21),
+  /*  112 S> */ B(Ldar), R(0),
+  /*  122 S> */ B(Return),
 ]
 constant pool: [
 ]
@@ -791,69 +677,58 @@ snippet: "
     }
   }
 "
-frame size: 7
+frame size: 6
 parameter count: 1
-bytecode array length: 120
+bytecode array length: 97
 bytecodes: [
-  B(StackCheck),
-  B(LdaZero),
-  B(Star), R(1),
-  B(Ldar), R(1),
-  B(JumpIfToBooleanFalse), U8(112),
-  B(StackCheck),
-  B(LdaConstant), U8(0),
-  B(Star), R(4),
-  B(Ldar), R(closure),
-  B(Star), R(5),
-  B(CallRuntime), U16(Runtime::kPushBlockContext), R(4), U8(2),
-  B(PushContext), R(3),
-  B(LdaTheHole),
-  B(StaContextSlot), R(context), U8(4),
-  B(CreateClosure), U8(1), U8(0),
-  B(Star), R(0),
-  B(LdaSmi), U8(1),
-  B(StaContextSlot), R(context), U8(4),
-  B(Ldar), R(0),
-  B(JumpIfNotHole), U8(11),
-  B(LdaConstant), U8(2),
-  B(Star), R(4),
-  B(CallRuntime), U16(Runtime::kThrowReferenceError), R(4), U8(1),
-  B(Star), R(2),
-  B(LdaContextSlot), R(context), U8(4),
-  B(JumpIfNotHole), U8(11),
-  B(LdaConstant), U8(3),
-  B(Star), R(4),
-  B(CallRuntime), U16(Runtime::kThrowReferenceError), R(4), U8(1),
-  B(JumpIfToBooleanFalse), U8(8),
-  B(PopContext), R(3),
-  B(PopContext), R(3),
-  B(Jump), U8(-69),
-  B(LdaContextSlot), R(context), U8(4),
-  B(JumpIfNotHole), U8(11),
-  B(LdaConstant), U8(3),
-  B(Star), R(4),
-  B(CallRuntime), U16(Runtime::kThrowReferenceError), R(4), U8(1),
-  B(ToNumber),
-  B(Star), R(4),
-  B(Inc),
-  B(Star), R(5),
-  B(LdaContextSlot), R(context), U8(4),
-  B(JumpIfNotHole), U8(11),
-  B(LdaConstant), U8(3),
-  B(Star), R(6),
-  B(CallRuntime), U16(Runtime::kThrowReferenceError), R(6), U8(1),
-  B(Ldar), R(5),
-  B(StaContextSlot), R(context), U8(4),
-  B(PopContext), R(3),
-  B(Jump), U8(-112),
-  B(LdaUndefined),
-  B(Return),
+  /*   30 E> */ B(StackCheck),
+  /*   42 S> */ B(LdaZero),
+                B(Star), R(1),
+  /*   52 S> */ B(Ldar), R(1),
+                B(JumpIfToBooleanFalse), U8(89),
+  /*   45 E> */ B(StackCheck),
+                B(Ldar), R(closure),
+                B(CreateBlockContext), U8(0),
+                B(PushContext), R(3),
+                B(LdaTheHole),
+                B(StaContextSlot), R(context), U8(4),
+                B(CreateClosure), U8(1), U8(2),
+                B(Star), R(0),
+  /*   73 S> */ B(LdaSmi), U8(1),
+  /*   73 E> */ B(StaContextSlot), R(context), U8(4),
+                B(Mov), R(0), R(2),
+  /*  106 S> */ B(LdaContextSlot), R(context), U8(4),
+                B(JumpIfNotHole), U8(11),
+                B(LdaConstant), U8(2),
+                B(Star), R(4),
+                B(CallRuntime), U16(Runtime::kThrowReferenceError), R(4), U8(1),
+                B(JumpIfToBooleanFalse), U8(8),
+  /*  113 S> */ B(PopContext), R(3),
+                B(PopContext), R(3),
+                B(Jump), U8(41),
+  /*  126 S> */ B(LdaContextSlot), R(context), U8(4),
+                B(JumpIfNotHole), U8(11),
+                B(LdaConstant), U8(2),
+                B(Star), R(4),
+                B(CallRuntime), U16(Runtime::kThrowReferenceError), R(4), U8(1),
+                B(Inc), U8(1),
+                B(Star), R(4),
+  /*  127 E> */ B(LdaContextSlot), R(context), U8(4),
+                B(JumpIfNotHole), U8(11),
+                B(LdaConstant), U8(2),
+                B(Star), R(5),
+                B(CallRuntime), U16(Runtime::kThrowReferenceError), R(5), U8(1),
+                B(Ldar), R(4),
+                B(StaContextSlot), R(context), U8(4),
+                B(PopContext), R(3),
+                B(Jump), U8(-89),
+                B(LdaUndefined),
+  /*  137 S> */ B(Return),
 ]
 constant pool: [
   InstanceType::FIXED_ARRAY_TYPE,
   InstanceType::SHARED_FUNCTION_INFO_TYPE,
   InstanceType::ONE_BYTE_INTERNALIZED_STRING_TYPE,
-  InstanceType::ONE_BYTE_INTERNALIZED_STRING_TYPE,
 ]
 handlers: [
 ]