Revert "Smi-support for HSar."

src/arm/lithium-arm.cc

Index: src/arm/lithium-arm.cc
diff --git a/src/arm/lithium-arm.cc b/src/arm/lithium-arm.cc
index f7286191a8f64f6c84dfa03f63081be38f31602a..b55679ee0147b30f702b6cff74ae879ad7811f44 100644
--- a/src/arm/lithium-arm.cc
+++ b/src/arm/lithium-arm.cc
@@ -733,9 +733,7 @@ LInstruction* LChunkBuilder::DoShift(Token::Value op,
     constant_value = constant->Integer32Value() & 0x1f;
     // Left shifts can deoptimize if we shift by > 0 and the result cannot be
     // truncated to smi.
-    if (instr->representation().IsSmi() &&
-        op == Token::SHL &&
-        constant_value > 0) {
+    if (instr->representation().IsSmi() && constant_value > 0) {
       for (HUseIterator it(instr->uses()); !it.Done(); it.Advance()) {
         if (!it.value()->CheckFlag(HValue::kTruncatingToSmi)) {
           does_deopt = true;
@@ -754,8 +752,7 @@ LInstruction* LChunkBuilder::DoShift(Token::Value op,
       does_deopt = !instr->CheckFlag(HInstruction::kUint32);
     } else {
       for (HUseIterator it(instr->uses()); !it.Done(); it.Advance()) {
-        if (!it.value()->CheckFlag(HValue::kTruncatingToInt32) &&
-            !it.value()->CheckFlag(HValue::kTruncatingToSmi)) {
+        if (!it.value()->CheckFlag(HValue::kTruncatingToInt32)) {
           does_deopt = true;
           break;
         }