Revert of [turbofan] ChangeFloat64ToTagged shouldn't canonicalize.

src/runtime/runtime-test.cc

 // Copyright 2014 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/runtime/runtime-utils.h"
 
 #include <memory>
 
 #include "src/arguments.h"
 #include "src/compiler-dispatcher/optimizing-compile-dispatcher.h"
@@ skipping 402 matching lines @@
   DCHECK(args.length() == 0);
   isolate->heap()->NotifyContextDisposed(true);
   return isolate->heap()->undefined_value();
 }
 
 
 RUNTIME_FUNCTION(Runtime_SetAllocationTimeout) {
   SealHandleScope shs(isolate);
   DCHECK(args.length() == 2 || args.length() == 3);
 #ifdef DEBUG
-  CONVERT_INT32_ARG_CHECKED(interval, 0);
-  CONVERT_INT32_ARG_CHECKED(timeout, 1);
+  CONVERT_SMI_ARG_CHECKED(interval, 0);
+  CONVERT_SMI_ARG_CHECKED(timeout, 1);
   isolate->heap()->set_allocation_timeout(timeout);
   FLAG_gc_interval = interval;
   if (args.length() == 3) {
     // Enable/disable inline allocation if requested.
     CONVERT_BOOLEAN_ARG_CHECKED(inline_allocation, 2);
     if (inline_allocation) {
       isolate->heap()->EnableInlineAllocation();
     } else {
       isolate->heap()->DisableInlineAllocation();
     }
@@ skipping 359 matching lines @@
 RUNTIME_FUNCTION(Runtime_ValidateWasmOrphanedInstance) {
   HandleScope shs(isolate);
   DCHECK(args.length() == 1);
   CONVERT_ARG_HANDLE_CHECKED(JSObject, instance_obj, 0);
   wasm::testing::ValidateOrphanedInstance(isolate, instance_obj);
   return isolate->heap()->ToBoolean(true);
 }
 
 }  // namespace internal
 }  // namespace v8