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

Port r13831 (52d6fd70)

BUG=

Review URL: https://codereview.chromium.org/12559003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13875 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/mips/ic-mips.cc

@@ -659,7 +659,8 @@ void LoadIC::GenerateMegamorphic(MacroAssembler* masm) {
 
   // Probe the stub cache.
   Code::Flags flags = Code::ComputeFlags(
-      Code::LOAD_IC, MONOMORPHIC, Code::HANDLER_FRAGMENT);
+      Code::STUB, MONOMORPHIC, Code::kNoExtraICState,
+      Code::NORMAL, Code::LOAD_IC);
   Isolate::Current()->stub_cache()->GenerateProbe(
       masm, flags, a0, a2, a3, t0, t1, t2);
 

src/mips/stub-cache-mips.cc

@@ -2880,7 +2880,7 @@ 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());
 }
 
 
@@ -3034,7 +3034,7 @@ 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);
 }