Deprecate useless CompilationInfo::IsOptimizable predicate.

src/full-codegen/ppc/full-codegen-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.
 
 #if V8_TARGET_ARCH_PPC
 
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
 #include "src/codegen.h"
 #include "src/compiler.h"
@@ skipping 739 matching lines @@
 }
 
 
 void FullCodeGenerator::PrepareForBailoutBeforeSplit(Expression* expr,
                                                      bool should_normalize,
                                                      Label* if_true,
                                                      Label* if_false) {
   // Only prepare for bailouts before splits if we're in a test
   // context. Otherwise, we let the Visit function deal with the
   // preparation to avoid preparing with the same AST id twice.
-  if (!context()->IsTest() || !info_->IsOptimizable()) return;
+  if (!context()->IsTest()) return;
 
   Label skip;
   if (should_normalize) __ b(&skip);
   PrepareForBailout(expr, TOS_REG);
   if (should_normalize) {
     __ LoadRoot(ip, Heap::kTrueValueRootIndex);
     __ cmp(r3, ip);
     Split(eq, if_true, if_false, NULL);
     __ bind(&skip);
   }
@@ skipping 4618 matching lines @@
     return ON_STACK_REPLACEMENT;
   }
 
   DCHECK(interrupt_address ==
          isolate->builtins()->OsrAfterStackCheck()->entry());
   return OSR_AFTER_STACK_CHECK;
 }
 }  // namespace internal
 }  // namespace v8
 #endif  // V8_TARGET_ARCH_PPC