[Interpreter] Preserve source positions in peephole optimizer.

test/cctest/interpreter/bytecode_expectations/ObjectLiterals.golden

 #
 # Autogenerated by generate-bytecode-expectations.
 #
 
 ---
 pool type: mixed
 execute: yes
 wrap: yes
 
 ---
@@ skipping 37 matching lines @@
 ---
 snippet: "
   var a = 1; return { name: 'string', val: a };
 "
 frame size: 2
 parameter count: 1
 bytecode array length: 20
 bytecodes: [
   /*   30 E> */ B(StackCheck),
   /*   42 S> */ B(LdaSmi), U8(1),
-  /*   42 E> */ B(Star), R(0),
+                B(Star), R(0),
   /*   45 S> */ B(CreateObjectLiteral), U8(0), U8(0), U8(1),
                 B(Star), R(1),
   /*   75 E> */ B(Ldar), R(0),
                 B(StoreICSloppy), R(1), U8(1), U8(1),
                 B(Ldar), R(1),
   /*   80 S> */ B(Return),
 ]
 constant pool: [
   InstanceType::FIXED_ARRAY_TYPE,
   InstanceType::ONE_BYTE_INTERNALIZED_STRING_TYPE,
 ]
 handlers: [
 ]
 
 ---
 snippet: "
   var a = 1; return { val: a, val: a + 1 };
 "
 frame size: 3
 parameter count: 1
 bytecode array length: 26
 bytecodes: [
   /*   30 E> */ B(StackCheck),
   /*   42 S> */ B(LdaSmi), U8(1),
-  /*   42 E> */ B(Star), R(0),
+                B(Star), R(0),
   /*   45 S> */ B(CreateObjectLiteral), U8(0), U8(0), U8(1),
                 B(Star), R(1),
   /*   59 E> */ B(Ldar), R(0),
   /*   67 E> */ B(Star), R(2),
                 B(LdaSmi), U8(1),
                 B(Add), R(2),
                 B(StoreICSloppy), R(1), U8(1), U8(1),
                 B(Ldar), R(1),
   /*   76 S> */ B(Return),
 ]
@@ skipping 152 matching lines @@
 ---
 snippet: "
   var a = 1; return { 1: a };
 "
 frame size: 6
 parameter count: 1
 bytecode array length: 33
 bytecodes: [
   /*   30 E> */ B(StackCheck),
   /*   42 S> */ B(LdaSmi), U8(1),
-  /*   42 E> */ B(Star), R(0),
+                B(Star), R(0),
   /*   45 S> */ B(CreateObjectLiteral), U8(0), U8(0), U8(1),
                 B(Star), R(1),
                 B(Mov), R(1), R(2),
                 B(LdaSmi), U8(1),
                 B(Star), R(3),
   /*   57 E> */ B(Ldar), R(0),
                 B(Star), R(4),
                 B(LdaZero),
                 B(Star), R(5),
                 B(CallRuntime), U16(Runtime::kSetProperty), R(2), U8(4),
@@ skipping 33 matching lines @@
 ---
 snippet: "
   var a = 'test'; return { [a]: 1 };
 "
 frame size: 7
 parameter count: 1
 bytecode array length: 37
 bytecodes: [
   /*   30 E> */ B(StackCheck),
   /*   42 S> */ B(LdaConstant), U8(0),
-  /*   42 E> */ B(Star), R(0),
+                B(Star), R(0),
   /*   50 S> */ B(CreateObjectLiteral), U8(1), U8(0), U8(35),
                 B(Star), R(1),
                 B(Mov), R(1), R(2),
   /*   60 E> */ B(Ldar), R(0),
                 B(ToName),
                 B(Star), R(3),
                 B(LdaSmi), U8(1),
                 B(Star), R(4),
                 B(LdaZero),
                 B(Star), R(5),
@@ skipping 13 matching lines @@
 ---
 snippet: "
   var a = 'test'; return { val: a, [a]: 1 };
 "
 frame size: 7
 parameter count: 1
 bytecode array length: 43
 bytecodes: [
   /*   30 E> */ B(StackCheck),
   /*   42 S> */ B(LdaConstant), U8(0),
-  /*   42 E> */ B(Star), R(0),
+                B(Star), R(0),
   /*   50 S> */ B(CreateObjectLiteral), U8(1), U8(0), U8(1),
                 B(Star), R(1),
   /*   64 E> */ B(Ldar), R(0),
                 B(StoreICSloppy), R(1), U8(2), U8(1),
                 B(Mov), R(1), R(2),
   /*   68 E> */ B(Ldar), R(0),
                 B(ToName),
                 B(Star), R(3),
                 B(LdaSmi), U8(1),
                 B(Star), R(4),
@@ skipping 16 matching lines @@
 ---
 snippet: "
   var a = 'test'; return { [a]: 1, __proto__: {} };
 "
 frame size: 7
 parameter count: 1
 bytecode array length: 53
 bytecodes: [
   /*   30 E> */ B(StackCheck),
   /*   42 S> */ B(LdaConstant), U8(0),
-  /*   42 E> */ B(Star), R(0),
+                B(Star), R(0),
   /*   50 S> */ B(CreateObjectLiteral), U8(1), U8(1), U8(35),
                 B(Star), R(1),
                 B(Mov), R(1), R(2),
   /*   60 E> */ B(Ldar), R(0),
                 B(ToName),
                 B(Star), R(3),
                 B(LdaSmi), U8(1),
                 B(Star), R(4),
                 B(LdaZero),
                 B(Star), R(5),
@@ skipping 18 matching lines @@
 ---
 snippet: "
   var n = 'name'; return { [n]: 'val', get a() { }, set a(b) {} };
 "
 frame size: 7
 parameter count: 1
 bytecode array length: 77
 bytecodes: [
   /*   30 E> */ B(StackCheck),
   /*   42 S> */ B(LdaConstant), U8(0),
-  /*   42 E> */ B(Star), R(0),
+                B(Star), R(0),
   /*   50 S> */ B(CreateObjectLiteral), U8(1), U8(0), U8(35),
                 B(Star), R(1),
                 B(Mov), R(1), R(2),
   /*   60 E> */ B(Ldar), R(0),
                 B(ToName),
                 B(Star), R(3),
                 B(LdaConstant), U8(2),
                 B(Star), R(4),
                 B(LdaZero),
                 B(Star), R(5),
@@ skipping 23 matching lines @@
   InstanceType::ONE_BYTE_INTERNALIZED_STRING_TYPE,
   InstanceType::FIXED_ARRAY_TYPE,
   InstanceType::ONE_BYTE_INTERNALIZED_STRING_TYPE,
   InstanceType::ONE_BYTE_INTERNALIZED_STRING_TYPE,
   InstanceType::SHARED_FUNCTION_INFO_TYPE,
   InstanceType::SHARED_FUNCTION_INFO_TYPE,
 ]
 handlers: [
 ]