[Interpreter] Always store current context in the frames context slot.

test/unittests/compiler/interpreter-assembler-unittest.cc

Index: test/unittests/compiler/interpreter-assembler-unittest.cc
diff --git a/test/unittests/compiler/interpreter-assembler-unittest.cc b/test/unittests/compiler/interpreter-assembler-unittest.cc
index 36827f7351109771102dbaeaa6213bf1bb945707..763fbbe04e946e29ba9befd02fd6100def56a233 100644
--- a/test/unittests/compiler/interpreter-assembler-unittest.cc
+++ b/test/unittests/compiler/interpreter-assembler-unittest.cc
@@ -409,6 +409,16 @@ TARGET_TEST_F(InterpreterAssemblerTest, GetSetAccumulator) {
 }
 
 
+TARGET_TEST_F(InterpreterAssemblerTest, GetSetContext) {
+  TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) {
+    InterpreterAssemblerForTest m(this, bytecode);
+    Node* context_node = m.Int32Constant(100);
+    m.SetContext(context_node);
+    EXPECT_THAT(m.GetContext(), context_node);
+  }
+}
+
+
 TARGET_TEST_F(InterpreterAssemblerTest, RegisterLocation) {
   TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) {
     InterpreterAssemblerForTest m(this, bytecode);