Make IC patching resilient to flushing of the original target() ic.

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 bccc139454237a994253f78b64879995ef3b6cb3..80be94cb3e0b154871263dff2e0e0bf34028611a 100644
--- a/src/arm/stub-cache-arm.cc
+++ b/src/arm/stub-cache-arm.cc
@@ -2878,7 +2878,7 @@ Handle<Code> LoadStubCompiler::CompileLoadNonexistent(
   __ Ret();
 
   // Return the generated code.
-  return GetCode(Code::HANDLER_FRAGMENT, Code::NONEXISTENT, name);
+  return GetCode(kind(), Code::NONEXISTENT, name);
 }
 
 
@@ -2974,7 +2974,7 @@ Handle<Code> LoadStubCompiler::CompileLoadGlobal(
   __ Ret();
 
   // Return the generated code.
-  return GetCode(Code::IC_FRAGMENT, Code::NORMAL, name);
+  return GetICCode(kind(), Code::NORMAL, name);
 }
 
 
@@ -3002,7 +3002,7 @@ Handle<Code> KeyedLoadStubCompiler::CompileLoadElement(
   __ Jump(ic, RelocInfo::CODE_TARGET);
 
   // Return the generated code.
-  return GetCode(Code::IC_FRAGMENT, Code::NORMAL, factory()->empty_string());
+  return GetICCode(kind(), Code::NORMAL, factory()->empty_string());
 }
 
 
@@ -3035,7 +3035,7 @@ Handle<Code> BaseLoadStubCompiler::CompilePolymorphicIC(
   // Return the generated code.
   InlineCacheState state =
       receiver_maps->length() > 1 ? POLYMORPHIC : MONOMORPHIC;
-  return GetCode(Code::IC_FRAGMENT, type, name, state);
+  return GetICCode(kind(), type, name, state);
 }