Only reference constant root list entries in the snapshot.

src/ppc/macro-assembler-ppc.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <assert.h>  // For assert
 #include <limits.h>  // For LONG_MIN, LONG_MAX.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_PPC
@@ skipping 255 matching lines @@
 
 void MacroAssembler::LoadRoot(Register destination, Heap::RootListIndex index,
                               Condition cond) {
   DCHECK(cond == al);
   LoadP(destination, MemOperand(kRootRegister, index << kPointerSizeLog2), r0);
 }
 
 
 void MacroAssembler::StoreRoot(Register source, Heap::RootListIndex index,
                                Condition cond) {
+  DCHECK(Heap::RootCanBeWrittenAfterInitialization(index));
   DCHECK(cond == al);
   StoreP(source, MemOperand(kRootRegister, index << kPointerSizeLog2), r0);
 }
 
 
 void MacroAssembler::InNewSpace(Register object, Register scratch,
                                 Condition cond, Label* branch) {
   // N.B. scratch may be same register as object
   DCHECK(cond == eq || cond == ne);
   mov(r0, Operand(ExternalReference::new_space_mask(isolate())));
@@ skipping 4327 matching lines @@
   }
   if (mag.shift > 0) srawi(result, result, mag.shift);
   ExtractBit(r0, dividend, 31);
   add(result, result, r0);
 }
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_PPC