[arm] Turn off the default NaN mode on arm.

test/cctest/wasm/test-run-wasm.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 <stdint.h>
 #include <stdlib.h>
 #include <string.h>
 
 #include "src/wasm/wasm-macro-gen.h"
 
@@ skipping 2612 matching lines @@
         expected = *i;
       } else {
         expected = *j;
       }
 
       CHECK_DOUBLE_EQ(expected, r.Call(*i, *j));
     }
   }
 }
 
-// TODO(ahaas): Fix on arm and mips and reenable.
-#if !V8_TARGET_ARCH_ARM && !V8_TARGET_ARCH_MIPS && !V8_TARGET_ARCH_MIPS64
+// TODO(ahaas): Fix on mips and reenable.
+#if !V8_TARGET_ARCH_MIPS && !V8_TARGET_ARCH_MIPS64
 
 TEST(Run_Wasm_F32Min_Snan) {
   // Test that the instruction does not return a signalling NaN.
   {
     WasmRunner<float> r;
     BUILD(r,
           WASM_F32_MIN(WASM_F32(bit_cast<float>(0xff80f1e2)), WASM_F32(57.67)));
     CHECK_EQ(0xffc0f1e2, bit_cast<uint32_t>(r.Call()));
   }
   {
@@ skipping 177 matching lines @@
   WasmRunner<int32_t> r(MachineType::Int32(), MachineType::Int32());
   BUILD(r, WASM_I32_REMS(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)), WASM_ZERO);
   const int32_t kMin = std::numeric_limits<int32_t>::min();
   CHECK_EQ(0, r.Call(133, 100));
   CHECK_EQ(0, r.Call(kMin, -1));
   CHECK_EQ(0, r.Call(0, 1));
   CHECK_TRAP(r.Call(100, 0));
   CHECK_TRAP(r.Call(-1001, 0));
   CHECK_TRAP(r.Call(kMin, 0));
 }