[ic] Resurrect access checks for primitive and global proxy receivers.

src/ic/mips/handler-compiler-mips.cc

Index: src/ic/mips/handler-compiler-mips.cc
diff --git a/src/ic/mips/handler-compiler-mips.cc b/src/ic/mips/handler-compiler-mips.cc
index 0541a6a66206098983a657480d941f14c79d61ac..b2ddea5dac35518ad86386afc6e192980d2b23bd 100644
--- a/src/ic/mips/handler-compiler-mips.cc
+++ b/src/ic/mips/handler-compiler-mips.cc
@@ -393,6 +393,27 @@ void NamedStoreHandlerCompiler::GenerateFieldTypeChecks(FieldType* field_type,
   }
 }
 
+void PropertyHandlerCompiler::GenerateAccessCheck(
+    Handle<WeakCell> native_context_cell, Register scratch1, Register scratch2,
+    Label* miss, bool compare_native_contexts_only) {
+  Label done;
+  // Load current native context.
+  __ lw(scratch1, NativeContextMemOperand());
+  // Load expected native context.
+  __ LoadWeakValue(scratch2, native_context_cell, miss);
+
+  if (!compare_native_contexts_only) {
+    __ Branch(&done, eq, scratch1, Operand(scratch2));
+
+    // Compare security tokens of current and expected native contexts.
+    __ lw(scratch1, ContextMemOperand(scratch1, Context::SECURITY_TOKEN_INDEX));
+    __ lw(scratch2, ContextMemOperand(scratch2, Context::SECURITY_TOKEN_INDEX));
+  }
+  __ Branch(miss, ne, scratch1, Operand(scratch2));
+
+  __ bind(&done);
+}
+
 Register PropertyHandlerCompiler::CheckPrototypes(
     Register object_reg, Register holder_reg, Register scratch1,
     Register scratch2, Handle<Name> name, Label* miss,