[Interpreter] Add wide context slot load / store operations.

test/unittests/interpreter/bytecode-array-builder-unittest.cc

Index: test/unittests/interpreter/bytecode-array-builder-unittest.cc
diff --git a/test/unittests/interpreter/bytecode-array-builder-unittest.cc b/test/unittests/interpreter/bytecode-array-builder-unittest.cc
index 504a05c21d3afddbe05b8a1d28e4ebc3330db397..2c1f1c9ddcfe88be49df022d0d24f17fc496f40e 100644
--- a/test/unittests/interpreter/bytecode-array-builder-unittest.cc
+++ b/test/unittests/interpreter/bytecode-array-builder-unittest.cc
@@ -69,10 +69,10 @@ TEST_F(BytecodeArrayBuilderTest, AllBytecodesGenerated) {
       .StoreGlobal(name, 1, LanguageMode::STRICT);
 
   // Emit context operations.
-  builder.PushContext(reg);
-  builder.PopContext(reg);
-  builder.LoadContextSlot(reg, 1);
-  builder.StoreContextSlot(reg, 1);
+  builder.PushContext(reg)
+      .PopContext(reg)
+      .LoadContextSlot(reg, 1)
+      .StoreContextSlot(reg, 1);
 
   // Emit load / store property operations.
   builder.LoadNamedProperty(reg, name, 0, LanguageMode::SLOPPY)
@@ -241,6 +241,10 @@ TEST_F(BytecodeArrayBuilderTest, AllBytecodesGenerated) {
       .StoreNamedProperty(reg, wide_name, 0, LanguageMode::STRICT)
       .StoreKeyedProperty(reg, reg, 2056, LanguageMode::STRICT);
 
+  // Emit wide context operations.
+  builder.LoadContextSlot(reg, 1024)
+      .StoreContextSlot(reg, 1024);
+
   // Emit wide load / store lookup slots.
   builder.LoadLookupSlot(wide_name, TypeofMode::NOT_INSIDE_TYPEOF)
       .LoadLookupSlot(wide_name, TypeofMode::INSIDE_TYPEOF)