Fix windows build warnings.

R=jkummerow@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/12321047

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13707 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/hydrogen-instructions.cc

@@ -2785,11 +2785,9 @@ bool HStoreKeyed::NeedsCanonicalization() {
 
 
 #define H_CONSTANT_INT32(val)                                                  \
-new(zone) HConstant(FACTORY->NewNumberFromInt(val, TENURED),                   \
-                    Representation::Integer32())
+new(zone) HConstant(static_cast<int32_t>(val), Representation::Integer32())
 #define H_CONSTANT_DOUBLE(val)                                                 \
-new(zone) HConstant(FACTORY->NewNumber(val, TENURED),                          \
-                    Representation::Double())
+new(zone) HConstant(static_cast<double>(val), Representation::Double())
 
 #define DEFINE_NEW_H_SIMPLE_ARITHMETIC_INSTR(HInstr, op)                       \
 HInstruction* HInstr::New(                                                     \