Make snapshots reproducible.

src/arm/assembler-arm-inl.h

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // 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.
 //
@@ skipping 251 matching lines @@
 }
 
 
 Object** RelocInfo::call_object_address() {
   ASSERT((IsJSReturn(rmode()) && IsPatchedReturnSequence()) ||
          (IsDebugBreakSlot(rmode()) && IsPatchedDebugBreakSlotSequence()));
   return reinterpret_cast<Object**>(pc_ + 2 * Assembler::kInstrSize);
 }
 
 
+void RelocInfo::WipeOut() {
+  ASSERT(IsEmbeddedObject(rmode_) ||
+         IsCodeTarget(rmode_) ||
+         IsRuntimeEntry(rmode_) ||
+         IsExternalReference(rmode_));
+  Assembler::set_target_pointer_at(pc_, NULL);
+}
+
+
 bool RelocInfo::IsPatchedReturnSequence() {
   Instr current_instr = Assembler::instr_at(pc_);
   Instr next_instr = Assembler::instr_at(pc_ + Assembler::kInstrSize);
   // A patched return sequence is:
   //  ldr ip, [pc, #0]
   //  blx ip
   return ((current_instr & kLdrPCMask) == kLdrPCPattern)
           && ((next_instr & kBlxRegMask) == kBlxRegPattern);
 }
 
@@ skipping 241 matching lines @@
 
 
 void Assembler::set_target_address_at(Address pc, Address target) {
   set_target_pointer_at(pc, target);
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_ARM_ASSEMBLER_ARM_INL_H_