Support conversion of clamped double values for pixel arrays in Crankshaft.

src/arm/stub-cache-arm.cc

Index: src/arm/stub-cache-arm.cc
diff --git a/src/arm/stub-cache-arm.cc b/src/arm/stub-cache-arm.cc
index 7a3c80f7b5797ef7337d12f0b7197dd6dea09711..3af800cadf30534f3e2d75efff0e5f91741f6cef 100644
--- a/src/arm/stub-cache-arm.cc
+++ b/src/arm/stub-cache-arm.cc
@@ -3868,12 +3868,7 @@ MaybeObject* ExternalArrayStubCompiler::CompileKeyedStoreStub(
         __ cmp(r6, Operand(-1));
         __ mov(r5, Operand(0), LeaveCC, eq);
 
-        // Not infinity or NaN simply convert to int.
-        if (IsElementTypeSigned(array_type)) {
-          __ vcvt_s32_f64(s0, d0, kDefaultRoundToZero, ne);
-        } else {
-          __ vcvt_u32_f64(s0, d0, kDefaultRoundToZero, ne);
-        }
+        __ vcvt_s32_f64(s0, d0, kDefaultRoundToZero, ne);
         __ vmov(r5, s0, ne);
 
         switch (array_type) {