Add wasm internal opcodes for asm.js stdlib functions we're missing.

src/typing-asm.h

 // Copyright 2015 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_TYPING_ASM_H_
 #define V8_TYPING_ASM_H_
 
 #include "src/allocation.h"
 #include "src/ast/ast.h"
 #include "src/effects.h"
@@ skipping 38 matching lines @@
     kMathImul,
     kMathFround,
     kMathE,
     kMathLN10,
     kMathLN2,
     kMathLOG2E,
     kMathLOG10E,
     kMathPI,
     kMathSQRT1_2,
     kMathSQRT2,
+
+    kStdlibMax,
   };
 
   StandardMember VariableAsStandardMember(Variable* variable);
 
   DEFINE_AST_VISITOR_SUBCLASS_MEMBERS();
 
  private:
   Zone* zone_;
   Isolate* isolate_;
   Script* script_;
@@ skipping 104 matching lines @@
 #define DECLARE_VISIT(type) void Visit##type(type* node) override;
   AST_NODE_LIST(DECLARE_VISIT)
 #undef DECLARE_VISIT
 
   DISALLOW_COPY_AND_ASSIGN(AsmTyper);
 };
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TYPING_ASM_H_