Merge 6006:6095 from bleeding_edge to experimental/gc branch.

src/ia32/codegen-ia32.cc

Index: src/ia32/codegen-ia32.cc
===================================================================
--- src/ia32/codegen-ia32.cc	(revision 6095)
+++ src/ia32/codegen-ia32.cc	(working copy)
@@ -7691,6 +7691,13 @@
   __ test(tmp2.reg(), Immediate(kSmiTagMask));
   deferred->Branch(not_zero);
 
+  // Check that both indices are valid.
+  __ mov(tmp2.reg(), FieldOperand(object.reg(), JSArray::kLengthOffset));
+  __ cmp(tmp2.reg(), Operand(index1.reg()));
+  deferred->Branch(below_equal);
+  __ cmp(tmp2.reg(), Operand(index2.reg()));
+  deferred->Branch(below_equal);
+
   // Bring addresses into index1 and index2.
   __ lea(index1.reg(), FixedArrayElementOperand(tmp1.reg(), index1.reg()));
   __ lea(index2.reg(), FixedArrayElementOperand(tmp1.reg(), index2.reg()));
@@ -7922,7 +7929,8 @@
 void CodeGenerator::GenerateMathSin(ZoneList<Expression*>* args) {
   ASSERT_EQ(args->length(), 1);
   Load(args->at(0));
-  TranscendentalCacheStub stub(TranscendentalCache::SIN);
+  TranscendentalCacheStub stub(TranscendentalCache::SIN,
+                               TranscendentalCacheStub::TAGGED);
   Result result = frame_->CallStub(&stub, 1);
   frame_->Push(&result);
 }
@@ -7931,7 +7939,8 @@
 void CodeGenerator::GenerateMathCos(ZoneList<Expression*>* args) {
   ASSERT_EQ(args->length(), 1);
   Load(args->at(0));
-  TranscendentalCacheStub stub(TranscendentalCache::COS);
+  TranscendentalCacheStub stub(TranscendentalCache::COS,
+                               TranscendentalCacheStub::TAGGED);
   Result result = frame_->CallStub(&stub, 1);
   frame_->Push(&result);
 }
@@ -7940,7 +7949,8 @@
 void CodeGenerator::GenerateMathLog(ZoneList<Expression*>* args) {
   ASSERT_EQ(args->length(), 1);
   Load(args->at(0));
-  TranscendentalCacheStub stub(TranscendentalCache::LOG);
+  TranscendentalCacheStub stub(TranscendentalCache::LOG,
+                               TranscendentalCacheStub::TAGGED);
   Result result = frame_->CallStub(&stub, 1);
   frame_->Push(&result);
 }
@@ -9150,7 +9160,7 @@
     case Token::INSTANCEOF: {
       if (!left_already_loaded) Load(left);
       Load(right);
-      InstanceofStub stub;
+      InstanceofStub stub(InstanceofStub::kNoFlags);
       Result answer = frame_->CallStub(&stub, 2);
       answer.ToRegister();
       __ test(answer.reg(), Operand(answer.reg()));