[interpreter] Introduce fused bytecodes for common sequences.

test/cctest/interpreter/bytecode_expectations/CreateRestParameter.golden

Index: test/cctest/interpreter/bytecode_expectations/CreateRestParameter.golden
diff --git a/test/cctest/interpreter/bytecode_expectations/CreateRestParameter.golden b/test/cctest/interpreter/bytecode_expectations/CreateRestParameter.golden
index 341ad9cbf225a90c99c6a8b79ff070114ea907d3..bba34348927ce9ff4a492cf97d47a7cb6d76b8d4 100644
--- a/test/cctest/interpreter/bytecode_expectations/CreateRestParameter.golden
+++ b/test/cctest/interpreter/bytecode_expectations/CreateRestParameter.golden
@@ -71,7 +71,7 @@ bytecodes: [
   /*   29 S> */ B(Ldar), R(0),
                 B(Star), R(2),
   /*   44 E> */ B(LdaZero),
-                B(KeyedLoadIC), R(2), U8(1),
+                B(LdaKeyedProperty), R(2), U8(1),
   /*   49 S> */ B(Return),
 ]
 constant pool: [
@@ -86,7 +86,7 @@ snippet: "
 "
 frame size: 5
 parameter count: 2
-bytecode array length: 35
+bytecode array length: 34
 bytecodes: [
                 B(CreateUnmappedArguments),
                 B(Star), R(0),
@@ -100,12 +100,11 @@ bytecodes: [
   /*   29 S> */ B(Ldar), R(1),
                 B(Star), R(3),
   /*   44 E> */ B(LdaZero),
-                B(KeyedLoadIC), R(3), U8(1),
-                B(Star), R(4),
+                B(LdrKeyedProperty), R(3), U8(1), R(4),
   /*   50 E> */ B(Ldar), R(0),
                 B(Star), R(3),
   /*   59 E> */ B(LdaZero),
-                B(KeyedLoadIC), R(3), U8(3),
+                B(LdaKeyedProperty), R(3), U8(3),
                 B(Add), R(4),
   /*   64 S> */ B(Return),
 ]