Ensure LModByPowerOf2I only gets environment when it deopts.

src/lithium-codegen.cc

 // Copyright 2013 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 "src/v8.h"
 
 #include "src/lithium-codegen.h"
 
 #if V8_TARGET_ARCH_IA32
 #include "src/ia32/lithium-ia32.h"  // NOLINT
@@ skipping 98 matching lines @@
 #ifdef DEBUG
   bool dead_block = false;
   for (int i = 0; i < instructions_->length(); i++) {
     LInstruction* instr = instructions_->at(i);
     HValue* hval = instr->hydrogen_value();
     if (instr->IsLabel()) dead_block = LLabel::cast(instr)->HasReplacement();
     if (dead_block || !hval->block()->IsReachable()) continue;
 
     HInstruction* hinstr = HInstruction::cast(hval);
     if (!hinstr->CanDeoptimize() && instr->HasEnvironment()) {
-      V8_Fatal(__FILE__, __LINE__, "CanDeoptimize is wrong for %s (%s)\n",
+      V8_Fatal(__FILE__, __LINE__, "CanDeoptimize is wrong for %s (%s)",
                hinstr->Mnemonic(), instr->Mnemonic());
     }
 
     if (instr->HasEnvironment() && !instr->environment()->has_been_used()) {
-      V8_Fatal(__FILE__, __LINE__, "unused environment for %s (%s)\n",
+      V8_Fatal(__FILE__, __LINE__, "unused environment for %s (%s)",
                hinstr->Mnemonic(), instr->Mnemonic());
     }
   }
 #endif
 }
 
 
 void LCodeGenBase::Comment(const char* format, ...) {
   if (!FLAG_code_comments) return;
   char buffer[4 * KB];
@@ skipping 92 matching lines @@
   chunk_->AddDeprecationDependency(map);
 }
 
 
 void LCodeGenBase::AddStabilityDependency(Handle<Map> map) {
   if (!map->is_stable()) return Abort(kMapBecameUnstable);
   chunk_->AddStabilityDependency(map);
 }
 
 } }  // namespace v8::internal