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

test/cctest/interpreter/bytecode_expectations/LetVariableContextSlot.golden

Index: test/cctest/interpreter/bytecode_expectations/LetVariableContextSlot.golden
diff --git a/test/cctest/interpreter/bytecode_expectations/LetVariableContextSlot.golden b/test/cctest/interpreter/bytecode_expectations/LetVariableContextSlot.golden
index bea38c7ea5021ba01fe922a20a6387a40e64ed09..39c334985fe977d84213ef4fb1bef7fc4ea23b30 100644
--- a/test/cctest/interpreter/bytecode_expectations/LetVariableContextSlot.golden
+++ b/test/cctest/interpreter/bytecode_expectations/LetVariableContextSlot.golden
@@ -11,17 +11,17 @@ snippet: "
 "
 frame size: 2
 parameter count: 1
-bytecode array length: 23
+bytecode array length: 19
 bytecodes: [
                 B(CreateFunctionContext), U8(1),
                 B(PushContext), R(1),
                 B(LdaTheHole),
-                B(StaContextSlot), R(context), U8(4), U8(0),
+                B(StaCurrentContextSlot), U8(4),
                 B(CreateClosure), U8(0), U8(2),
                 B(Star), R(0),
   /*   30 E> */ B(StackCheck),
   /*   42 S> */ B(LdaSmi), U8(10),
-  /*   42 E> */ B(StaContextSlot), R(context), U8(4), U8(0),
+  /*   42 E> */ B(StaCurrentContextSlot), U8(4),
                 B(LdaUndefined),
   /*   72 S> */ B(Return),
 ]
@@ -37,18 +37,18 @@ snippet: "
 "
 frame size: 2
 parameter count: 1
-bytecode array length: 26
+bytecode array length: 20
 bytecodes: [
                 B(CreateFunctionContext), U8(1),
                 B(PushContext), R(1),
                 B(LdaTheHole),
-                B(StaContextSlot), R(context), U8(4), U8(0),
+                B(StaCurrentContextSlot), U8(4),
                 B(CreateClosure), U8(0), U8(2),
                 B(Star), R(0),
   /*   30 E> */ B(StackCheck),
   /*   42 S> */ B(LdaSmi), U8(10),
-  /*   42 E> */ B(StaContextSlot), R(context), U8(4), U8(0),
-  /*   72 S> */ B(LdaContextSlot), R(context), U8(4), U8(0),
+  /*   42 E> */ B(StaCurrentContextSlot), U8(4),
+  /*   72 S> */ B(LdaCurrentContextSlot), U8(4),
   /*   82 S> */ B(Return),
 ]
 constant pool: [
@@ -63,25 +63,25 @@ snippet: "
 "
 frame size: 4
 parameter count: 1
-bytecode array length: 46
+bytecode array length: 38
 bytecodes: [
                 B(CreateFunctionContext), U8(1),
                 B(PushContext), R(1),
                 B(LdaTheHole),
-                B(StaContextSlot), R(context), U8(4), U8(0),
+                B(StaCurrentContextSlot), U8(4),
                 B(CreateClosure), U8(0), U8(2),
                 B(Star), R(0),
   /*   30 E> */ B(StackCheck),
   /*   45 S> */ B(LdaSmi), U8(20),
                 B(Star), R(2),
-  /*   45 E> */ B(LdaContextSlot), R(context), U8(4), U8(0),
+  /*   45 E> */ B(LdaCurrentContextSlot), U8(4),
                 B(JumpIfNotHole), U8(11),
                 B(LdaConstant), U8(1),
                 B(Star), R(3),
                 B(CallRuntime), U16(Runtime::kThrowReferenceError), R(3), U8(1),
                 B(Ldar), R(2),
-                B(StaContextSlot), R(context), U8(4), U8(0),
-  /*   45 E> */ B(StaContextSlot), R(context), U8(4), U8(0),
+                B(StaCurrentContextSlot), U8(4),
+  /*   45 E> */ B(StaCurrentContextSlot), U8(4),
                 B(LdaUndefined),
   /*   78 S> */ B(Return),
 ]
@@ -98,19 +98,19 @@ snippet: "
 "
 frame size: 2
 parameter count: 1
-bytecode array length: 29
+bytecode array length: 23
 bytecodes: [
                 B(CreateFunctionContext), U8(1),
                 B(PushContext), R(1),
                 B(LdaTheHole),
-                B(StaContextSlot), R(context), U8(4), U8(0),
+                B(StaCurrentContextSlot), U8(4),
                 B(CreateClosure), U8(0), U8(2),
                 B(Star), R(0),
   /*   30 E> */ B(StackCheck),
   /*   42 S> */ B(LdaSmi), U8(10),
-  /*   42 E> */ B(StaContextSlot), R(context), U8(4), U8(0),
+  /*   42 E> */ B(StaCurrentContextSlot), U8(4),
   /*   46 S> */ B(LdaSmi), U8(20),
-  /*   48 E> */ B(StaContextSlot), R(context), U8(4), U8(0),
+  /*   48 E> */ B(StaCurrentContextSlot), U8(4),
                 B(LdaUndefined),
   /*   80 S> */ B(Return),
 ]