[compiler] Make Compiler::EnsureBytecode respect filter.

This ensures that {Compiler::EnsureBytecode} fails gracefully in case
the --ignition-filter flag prevents generation of bytecode for a certain
set of functions. This can be triggered via inlining.

R=rmcilroy@chromium.org

Review-Url: https://codereview.chromium.org/2340293002
Cr-Commit-Position: refs/heads/master@{#39466}

src/compiler.cc

@@ -1351,7 +1351,7 @@ MaybeHandle<JSArray> Compiler::CompileForLiveEdit(Handle<Script> script) {
 }
 
 bool Compiler::EnsureBytecode(CompilationInfo* info) {
-  DCHECK(ShouldUseIgnition(info));
+  if (!ShouldUseIgnition(info)) return false;
   if (!info->shared_info()->HasBytecodeArray()) {
     Handle<Code> original_code(info->shared_info()->code());
     if (GetUnoptimizedCode(info).is_null()) return false;