Slightly adapt Math.fround test.

R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/606583002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24215 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

test/mjsunit/asm/math-fround.js

@@ -2,8 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --turbo-asm
-
 function Module(stdlib) {
   "use asm";
 

tools/run-tests.py

@@ -87,7 +87,7 @@ TIMEOUT_SCALEFACTOR = {"debug"   : 4,
 VARIANT_FLAGS = {
     "default": [],
     "stress": ["--stress-opt", "--always-opt"],
-    "turbofan": ["--turbo-filter=*", "--always-opt"],
+    "turbofan": ["--turbo-asm", "--turbo-filter=*", "--always-opt"],
     "nocrankshaft": ["--nocrankshaft"]}
 
 VARIANTS = ["default", "stress", "turbofan", "nocrankshaft"]