Use EXTERNAL_REFERENCE instead of RUNTIME_ENTRY for deoptimization entries for ARM and MIPS

src/arm/assembler-arm-inl.h

Index: src/arm/assembler-arm-inl.h
===================================================================
--- src/arm/assembler-arm-inl.h	(revision 13624)
+++ src/arm/assembler-arm-inl.h	(working copy)
@@ -107,14 +107,13 @@
 
 
 Address RelocInfo::target_address() {
-  ASSERT(IsCodeTarget(rmode_) || rmode_ == RUNTIME_ENTRY);
+  ASSERT(IsCodeTarget(rmode_) || rmode_ == EXTERNAL_REFERENCE);
   return Assembler::target_address_at(pc_);
 }
 
 
 Address RelocInfo::target_address_address() {
-  ASSERT(IsCodeTarget(rmode_) || rmode_ == RUNTIME_ENTRY
-                              || rmode_ == EMBEDDED_OBJECT
+  ASSERT(IsCodeTarget(rmode_) || rmode_ == EMBEDDED_OBJECT
                               || rmode_ == EXTERNAL_REFERENCE);
   return reinterpret_cast<Address>(Assembler::target_pointer_address_at(pc_));
 }
@@ -126,7 +125,7 @@
 
 
 void RelocInfo::set_target_address(Address target, WriteBarrierMode mode) {
-  ASSERT(IsCodeTarget(rmode_) || rmode_ == RUNTIME_ENTRY);
+  ASSERT(IsCodeTarget(rmode_) || rmode_ == EXTERNAL_REFERENCE);
   Assembler::set_target_address_at(pc_, target);
   if (mode == UPDATE_WRITE_BARRIER && host() != NULL && IsCodeTarget(rmode_)) {
     Object* target_code = Code::GetCodeFromTargetAddress(target);
@@ -309,6 +308,7 @@
     visitor->VisitDebugTarget(this);
 #endif
   } else if (mode == RelocInfo::RUNTIME_ENTRY) {
+    UNREACHABLE();
     visitor->VisitRuntimeEntry(this);
   }
 }
@@ -336,6 +336,7 @@
     StaticVisitor::VisitDebugTarget(heap, this);
 #endif
   } else if (mode == RelocInfo::RUNTIME_ENTRY) {
+    UNREACHABLE();
     StaticVisitor::VisitRuntimeEntry(this);
   }
 }