Test for var declarations in eval which conflict with let

src/full-codegen/mips/full-codegen-mips.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if V8_TARGET_ARCH_MIPS
 
 // Note on Mips implementation:
 //
 // The result_register() for mips is the 'v0' register, which is defined
 // by the ABI to contain function return values. However, the first
@@ skipping 833 matching lines @@
       // Note: For variables we must not push an initial value (such as
       // 'undefined') because we may have a (legal) redeclaration and we
       // must not destroy the current value.
       if (hole_init) {
         __ LoadRoot(a0, Heap::kTheHoleValueRootIndex);
       } else {
         DCHECK(Smi::FromInt(0) == 0);
         __ mov(a0, zero_reg);  // Smi::FromInt(0) indicates no initial value.
       }
       __ Push(a2, a0);
-      __ CallRuntime(IsImmutableVariableMode(mode)
-                         ? Runtime::kDeclareReadOnlyLookupSlot
-                         : Runtime::kDeclareLookupSlot,
-                     2);
+      __ Push(Smi::FromInt(variable->DeclarationPropertyAttributes()));
+      __ CallRuntime(Runtime::kDeclareLookupSlot, 3);
       break;
     }
   }
 }
 
 
 void FullCodeGenerator::VisitFunctionDeclaration(
     FunctionDeclaration* declaration) {
   VariableProxy* proxy = declaration->proxy();
   Variable* variable = proxy->var();
@@ skipping 35 matching lines @@
       PrepareForBailoutForId(proxy->id(), NO_REGISTERS);
       break;
     }
 
     case VariableLocation::LOOKUP: {
       Comment cmnt(masm_, "[ FunctionDeclaration");
       __ li(a2, Operand(variable->name()));
       __ Push(a2);
       // Push initial value for function declaration.
       VisitForStackValue(declaration->fun());
-      __ CallRuntime(Runtime::kDeclareLookupSlot, 2);
+      __ Push(Smi::FromInt(variable->DeclarationPropertyAttributes()));
+      __ CallRuntime(Runtime::kDeclareLookupSlot, 3);
       break;
     }
   }
 }
 
 
 void FullCodeGenerator::DeclareGlobals(Handle<FixedArray> pairs) {
   // Call the runtime to declare the globals.
   __ li(a1, Operand(pairs));
   __ li(a0, Operand(Smi::FromInt(DeclareGlobalsFlags())));
@@ skipping 4326 matching lines @@
          reinterpret_cast<uint32_t>(
              isolate->builtins()->OsrAfterStackCheck()->entry()));
   return OSR_AFTER_STACK_CHECK;
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_MIPS