Revert r5174.

src/ia32/stub-cache-ia32.cc

Index: src/ia32/stub-cache-ia32.cc
===================================================================
--- src/ia32/stub-cache-ia32.cc	(revision 5176)
+++ src/ia32/stub-cache-ia32.cc	(working copy)
@@ -1287,11 +1287,9 @@
 }
 
 
-Object* CallStubCompiler::GenerateMissBranch() {
-  Object* obj = StubCache::ComputeCallMiss(arguments().immediate(), kind_);
-  if (obj->IsFailure()) return obj;
-  __ jmp(Handle<Code>(Code::cast(obj)), RelocInfo::CODE_TARGET);
-  return obj;
+void CallStubCompiler::GenerateMissBranch() {
+  Handle<Code> ic = ComputeCallMiss(arguments().immediate(), kind_);
+  __ jmp(ic, RelocInfo::CODE_TARGET);
 }
 
 
@@ -1342,8 +1340,7 @@
 
   // Handle call cache miss.
   __ bind(&miss);
-  Object* obj = GenerateMissBranch();
-  if (obj->IsFailure()) return obj;
+  GenerateMissBranch();
 
   // Return the generated code.
   return GetCode(FIELD, name);
@@ -1490,8 +1487,7 @@
   }
 
   __ bind(&miss);
-  Object* obj = GenerateMissBranch();
-  if (obj->IsFailure()) return obj;
+  GenerateMissBranch();
 
   // Return the generated code.
   return GetCode(function);
@@ -1574,8 +1570,7 @@
                                1);
 
   __ bind(&miss);
-  Object* obj = GenerateMissBranch();
-  if (obj->IsFailure()) return obj;
+  GenerateMissBranch();
 
   // Return the generated code.
   return GetCode(function);
@@ -1638,9 +1633,9 @@
   __ ret((argc + 1) * kPointerSize);
 
   __ bind(&miss);
-  Object* obj = GenerateMissBranch();
-  if (obj->IsFailure()) return obj;
 
+  GenerateMissBranch();
+
   // Return the generated code.
   return GetCode(function);
 }
@@ -1705,9 +1700,10 @@
   __ ret((argc + 1) * kPointerSize);
 
   __ bind(&miss);
-  Object* obj = GenerateMissBranch();
-  if (obj->IsFailure()) return obj;
+  // Restore function name in ecx.
 
+  GenerateMissBranch();
+
   // Return the generated code.
   return GetCode(function);
 }
@@ -1860,8 +1856,7 @@
     FreeSpaceForFastApiCall(masm(), eax);
   }
   __ bind(&miss_in_smi_check);
-  Object* obj = GenerateMissBranch();
-  if (obj->IsFailure()) return obj;
+  GenerateMissBranch();
 
   // Return the generated code.
   return GetCode(function);
@@ -1925,8 +1920,7 @@
 
   // Handle load cache miss.
   __ bind(&miss);
-  Object* obj = GenerateMissBranch();
-  if (obj->IsFailure()) return obj;
+  GenerateMissBranch();
 
   // Return the generated code.
   return GetCode(INTERCEPTOR, name);
@@ -2011,8 +2005,7 @@
   // Handle call cache miss.
   __ bind(&miss);
   __ IncrementCounter(&Counters::call_global_inline_miss, 1);
-  Object* obj = GenerateMissBranch();
-  if (obj->IsFailure()) return obj;
+  GenerateMissBranch();
 
   // Return the generated code.
   return GetCode(NORMAL, name);