Propagate a Failure from GenerateDictionaryNegativeLookup instead of causing GC.

src/arm/macro-assembler-arm.h

Index: src/arm/macro-assembler-arm.h
diff --git a/src/arm/macro-assembler-arm.h b/src/arm/macro-assembler-arm.h
index ca6b0157149973be054bc1e5e445401a435e3429..8e8409d6914dee698cc73af5fdda26a83f1f0de6 100644
--- a/src/arm/macro-assembler-arm.h
+++ b/src/arm/macro-assembler-arm.h
@@ -702,6 +702,11 @@ class MacroAssembler: public Assembler {
   // Call a code stub.
   void CallStub(CodeStub* stub, Condition cond = al);
 
+  // Call a code stub and return the code object called.  Try to generate
+  // the code if necessary.  Do not perform a GC but instead return a retry
+  // after GC failure.
+  MUST_USE_RESULT MaybeObject* TryCallStub(CodeStub* stub, Condition cond = al);
+
   // Call a code stub.
   void TailCallStub(CodeStub* stub, Condition cond = al);