Ensure that the SSE2 TranscendentalCache stub calls GC if it runs out of memo...

src/ia32/code-stubs-ia32.cc

 // Copyright 2010 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 2606 matching lines @@
 
     // Skip cache and return answer directly, only in untagged case.
     __ bind(&skip_cache);
     __ sub(Operand(esp), Immediate(kDoubleSize));
     __ movdbl(Operand(esp, 0), xmm1);
     __ fld_d(Operand(esp, 0));
     GenerateOperation(masm);
     __ fstp_d(Operand(esp, 0));
     __ movdbl(xmm1, Operand(esp, 0));
     __ add(Operand(esp), Immediate(kDoubleSize));
+    // We return the value in xmm1 without adding it to the cache, but
+    // we cause a scavenging GC so that future allocations will succeed.
+    __ EnterInternalFrame();
+    // Allocate an unused object bigger than a HeapNumber.
+    __ push(Immediate(Smi::FromInt(2 * kDoubleSize)));
+    __ CallRuntimeSaveDoubles(Runtime::kAllocateInNewSpace);
+    __ LeaveInternalFrame();
     __ Ret();
   }
 
   // Call runtime, doing whatever allocation and cleanup is necessary.
   if (tagged) {
     __ bind(&runtime_call_clear_stack);
     __ fstp(0);
     __ bind(&runtime_call);
     __ TailCallExternalReference(ExternalReference(RuntimeFunction()), 1, 1);
   } else {  // UNTAGGED.
@@ skipping 3761 matching lines @@
   // Do a tail call to the rewritten stub.
   __ jmp(Operand(edi));
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32