Make Variable::is_this always return the correct value

test/cctest/asmjs/test-asm-typer.cc

Index: test/cctest/asmjs/test-asm-typer.cc
diff --git a/test/cctest/asmjs/test-asm-typer.cc b/test/cctest/asmjs/test-asm-typer.cc
index f4bfbb1fd2fb7f1ed2c296d92db4444e30639f97..d5e88b2a684ffecd152f61aacca11b489755d5af 100644
--- a/test/cctest/asmjs/test-asm-typer.cc
+++ b/test/cctest/asmjs/test-asm-typer.cc
@@ -275,7 +275,8 @@ class AsmTyperHarnessBuilder {
   Variable* DeclareVariable(VariableName var_name) {
     auto* name_ast_string = ast_value_factory_.GetOneByteString(var_name.name_);
     return var_name.mode_ == DYNAMIC_GLOBAL
-               ? outer_scope_->DeclareDynamicGlobal(name_ast_string)
+               ? outer_scope_->DeclareDynamicGlobal(name_ast_string,
+                                                    Variable::NORMAL)
                : module_->scope()->DeclareLocal(name_ast_string, VAR,
                                                 kCreatedInitialized,
                                                 Variable::NORMAL);