Improve CodeStubAssembler assert functionality

src/code-stub-assembler.h

 // Copyright 2016 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.
 
 #ifndef V8_CODE_STUB_ASSEMBLER_H_
 #define V8_CODE_STUB_ASSEMBLER_H_
 
 #include <functional>
 
 #include "src/compiler/code-assembler.h"
@@ skipping 129 matching lines @@
     return WordOr(a, b);
   }
 
   // Allocate an object of the given size.
   compiler::Node* Allocate(compiler::Node* size, AllocationFlags flags = kNone);
   compiler::Node* Allocate(int size, AllocationFlags flags = kNone);
   compiler::Node* InnerAllocate(compiler::Node* previous, int offset);
   compiler::Node* InnerAllocate(compiler::Node* previous,
                                 compiler::Node* offset);
 
-  void Assert(compiler::Node* condition);
+  void Assert(compiler::Node* condition, const char* string = nullptr,
+              const char* file = nullptr, int line = 0);
 
   // Check a value for smi-ness
   compiler::Node* TaggedIsSmi(compiler::Node* a);
   // Check that the value is a non-negative smi.
   compiler::Node* WordIsPositiveSmi(compiler::Node* a);
 
   void BranchIfSmiEqual(compiler::Node* a, compiler::Node* b, Label* if_true,
                         Label* if_false) {
     BranchIf(SmiEqual(a, b), if_true, if_false);
   }
@@ skipping 822 matching lines @@
   // Emits keyed sloppy arguments load if the |value| is nullptr or store
   // otherwise. Returns either the loaded value or |value|.
   compiler::Node* EmitKeyedSloppyArguments(compiler::Node* receiver,
                                            compiler::Node* key,
                                            compiler::Node* value,
                                            Label* bailout);
 
   static const int kElementLoopUnrollThreshold = 8;
 };
 
+#define CSA_ASSERT(x) Assert((x), #x, __FILE__, __LINE__)
+
 DEFINE_OPERATORS_FOR_FLAGS(CodeStubAssembler::AllocationFlags);
 
 }  // namespace internal
 }  // namespace v8
 #endif  // V8_CODE_STUB_ASSEMBLER_H_