[wasm][asm.js] Allow true/false in int binary ops.

src/asmjs/asm-wasm-builder.cc

 // 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.
 
 #include "src/v8.h"
 
 // Required to get M_E etc. in MSVC.
 #if defined(_WIN32)
 #define _USE_MATH_DEFINES
 #endif
@@ skipping 1495 matching lines @@
   }
 
   void VisitCountOperation(CountOperation* expr) { UNREACHABLE(); }
 
   bool MatchIntBinaryOperation(BinaryOperation* expr, Token::Value op,
                                int32_t val) {
     DCHECK_NOT_NULL(expr->right());
     if (expr->op() == op && expr->right()->IsLiteral() &&
         TypeOf(expr) == kAstI32) {
       Literal* right = expr->right()->AsLiteral();
-      DCHECK(right->raw_value()->IsNumber());
-      if (static_cast<int32_t>(right->raw_value()->AsNumber()) == val) {
+      if (right->raw_value()->IsNumber() &&
+          static_cast<int32_t>(right->raw_value()->AsNumber()) == val) {
         return true;
       }
     }
     return false;
   }
 
   bool MatchDoubleBinaryOperation(BinaryOperation* expr, Token::Value op,
                                   double val) {
     DCHECK_NOT_NULL(expr->right());
     if (expr->op() == op && expr->right()->IsLiteral() &&
@@ skipping 454 matching lines @@
   impl.builder_->WriteAsmJsOffsetTable(*asm_offsets_buffer);
   return {module_buffer, asm_offsets_buffer, success};
 }
 
 const char* AsmWasmBuilder::foreign_init_name = "__foreign_init__";
 const char* AsmWasmBuilder::single_function_name = "__single_function__";
 
 }  // namespace wasm
 }  // namespace internal
 }  // namespace v8