[ignition] Add bytecodes for loads/stores in the current context

test/cctest/interpreter/bytecode_expectations/ContextParameters.golden

Index: test/cctest/interpreter/bytecode_expectations/ContextParameters.golden
diff --git a/test/cctest/interpreter/bytecode_expectations/ContextParameters.golden b/test/cctest/interpreter/bytecode_expectations/ContextParameters.golden
index 4e65f63fa2da3442f081a1bf29848ee2fd34d12e..fa4c5bc32352bc4e1936fd3d50b48e6d6f883aff 100644
--- a/test/cctest/interpreter/bytecode_expectations/ContextParameters.golden
+++ b/test/cctest/interpreter/bytecode_expectations/ContextParameters.golden
@@ -13,12 +13,12 @@ snippet: "
 "
 frame size: 1
 parameter count: 2
-bytecode array length: 15
+bytecode array length: 13
 bytecodes: [
                 B(CreateFunctionContext), U8(1),
                 B(PushContext), R(0),
                 B(Ldar), R(arg0),
-                B(StaContextSlot), R(context), U8(4), U8(0),
+                B(StaLocalContextSlot), U8(4),
   /*   10 E> */ B(StackCheck),
   /*   19 S> */ B(CreateClosure), U8(0), U8(2),
   /*   52 S> */ B(Return),
@@ -36,16 +36,16 @@ snippet: "
 "
 frame size: 2
 parameter count: 2
-bytecode array length: 21
+bytecode array length: 17
 bytecodes: [
                 B(CreateFunctionContext), U8(1),
                 B(PushContext), R(1),
                 B(Ldar), R(arg0),
-                B(StaContextSlot), R(context), U8(4), U8(0),
+                B(StaLocalContextSlot), U8(4),
   /*   10 E> */ B(StackCheck),
   /*   27 S> */ B(CreateClosure), U8(0), U8(2),
                 B(Star), R(0),
-  /*   53 S> */ B(LdaContextSlot), R(context), U8(4), U8(0),
+  /*   53 S> */ B(LdaLocalContextSlot), U8(4),
   /*   66 S> */ B(Return),
 ]
 constant pool: [
@@ -61,14 +61,14 @@ snippet: "
 "
 frame size: 1
 parameter count: 5
-bytecode array length: 21
+bytecode array length: 17
 bytecodes: [
                 B(CreateFunctionContext), U8(2),
                 B(PushContext), R(0),
                 B(Ldar), R(arg0),
-                B(StaContextSlot), R(context), U8(5), U8(0),
+                B(StaLocalContextSlot), U8(5),
                 B(Ldar), R(arg2),
-                B(StaContextSlot), R(context), U8(4), U8(0),
+                B(StaLocalContextSlot), U8(4),
   /*   10 E> */ B(StackCheck),
   /*   29 S> */ B(CreateClosure), U8(0), U8(2),
   /*   61 S> */ B(Return),
@@ -86,13 +86,13 @@ snippet: "
 "
 frame size: 1
 parameter count: 1
-bytecode array length: 15
+bytecode array length: 13
 bytecodes: [
                 B(CreateFunctionContext), U8(1),
                 B(PushContext), R(0),
   /*   10 E> */ B(StackCheck),
   /*   26 S> */ B(Ldar), R(this),
-  /*   26 E> */ B(StaContextSlot), R(context), U8(4), U8(0),
+  /*   26 E> */ B(StaLocalContextSlot), U8(4),
   /*   32 S> */ B(CreateClosure), U8(0), U8(2),
   /*   65 S> */ B(Return),
 ]