Fix vstr.cc S, [mem] to emit vstr instead of vldr.

src/arm/assembler-arm.cc

Index: src/arm/assembler-arm.cc
diff --git a/src/arm/assembler-arm.cc b/src/arm/assembler-arm.cc
index 7a65ab25cb745beafe7a371079440b2593a2753b..129e62bf2adc7e792f6026933f1ce9fc86bce885 100644
--- a/src/arm/assembler-arm.cc
+++ b/src/arm/assembler-arm.cc
@@ -1850,7 +1850,7 @@ void Assembler::vstr(const SwVfpRegister src,
                      const Condition cond) {
   ASSERT(!operand.rm().is_valid());
   ASSERT(operand.am_ == Offset);
-  vldr(src, operand.rn(), operand.offset(), cond);
+  vstr(src, operand.rn(), operand.offset(), cond);
 }