This patch much improves our tracking of whether function is...

src/ia32/ic-ia32.cc

Index: src/ia32/ic-ia32.cc
===================================================================
--- src/ia32/ic-ia32.cc	(revision 2034)
+++ src/ia32/ic-ia32.cc	(working copy)
@@ -426,7 +426,7 @@
 
   // Probe the stub cache.
   Code::Flags flags =
-      Code::ComputeFlags(Code::CALL_IC, MONOMORPHIC, NORMAL, argc);
+      Code::ComputeFlags(Code::CALL_IC, NOT_IN_LOOP, MONOMORPHIC, NORMAL, argc);
   StubCache::GenerateProbe(masm, flags, edx, ecx, ebx);
 
   // If the stub cache probing failed, the receiver might be a value.
@@ -635,7 +635,9 @@
   __ mov(eax, Operand(esp, kPointerSize));
 
   // Probe the stub cache.
-  Code::Flags flags = Code::ComputeFlags(Code::LOAD_IC, MONOMORPHIC);
+  Code::Flags flags = Code::ComputeFlags(Code::LOAD_IC,
+                                         NOT_IN_LOOP,
+                                         MONOMORPHIC);
   StubCache::GenerateProbe(masm, flags, eax, ecx, ebx);
 
   // Cache miss: Jump to runtime.
@@ -838,7 +840,9 @@
 
   // Get the receiver from the stack and probe the stub cache.
   __ mov(edx, Operand(esp, 4));
-  Code::Flags flags = Code::ComputeFlags(Code::STORE_IC, MONOMORPHIC);
+  Code::Flags flags = Code::ComputeFlags(Code::STORE_IC,
+                                         NOT_IN_LOOP,
+                                         MONOMORPHIC);
   StubCache::GenerateProbe(masm, flags, edx, ecx, ebx);
 
   // Cache miss: Jump to runtime.