Fixed some external references in the ARM code generator to use an ExternalRe...

src/codegen-arm.cc

Index: src/codegen-arm.cc
===================================================================
--- src/codegen-arm.cc	(revision 1066)
+++ src/codegen-arm.cc	(working copy)
@@ -4028,9 +4028,9 @@
   __ b(ne, &continue_exception);
 
   // Retrieve the pending exception and clear the variable.
-  __ mov(ip, Operand(Factory::the_hole_value().location()));
+  __ mov(ip, Operand(ExternalReference::the_hole_value_location()));
   __ ldr(r3, MemOperand(ip));
-  __ mov(ip, Operand(Top::pending_exception_address()));
+  __ mov(ip, Operand(ExternalReference(Top::k_pending_exception_address)));
   __ ldr(r0, MemOperand(ip));
   __ str(r3, MemOperand(ip));
 
@@ -4160,7 +4160,7 @@
   // exception field in the JSEnv and return a failure sentinel.
   // Coming in here the fp will be invalid because the PushTryHandler below
   // sets it to 0 to signal the existence of the JSEntry frame.
-  __ mov(ip, Operand(Top::pending_exception_address()));
+  __ mov(ip, Operand(ExternalReference(Top::k_pending_exception_address)));
   __ str(r0, MemOperand(ip));
   __ mov(r0, Operand(reinterpret_cast<int32_t>(Failure::Exception())));
   __ b(&exit);
@@ -4177,7 +4177,7 @@
   // Clear any pending exceptions.
   __ mov(ip, Operand(ExternalReference::the_hole_value_location()));
   __ ldr(r5, MemOperand(ip));
-  __ mov(ip, Operand(Top::pending_exception_address()));
+  __ mov(ip, Operand(ExternalReference(Top::k_pending_exception_address)));
   __ str(r5, MemOperand(ip));
 
   // Invoke the function by calling through JS entry trampoline builtin.