[compiler] Ensure code unsupported by Crankshaft goes to Ignition.

src/full-codegen/full-codegen.cc

Index: src/full-codegen/full-codegen.cc
diff --git a/src/full-codegen/full-codegen.cc b/src/full-codegen/full-codegen.cc
index d19de18acdee01215bacb07b66b6d17258c41414..d1b325ab40e5f48c7dcc8736742de66c463e6098 100644
--- a/src/full-codegen/full-codegen.cc
+++ b/src/full-codegen/full-codegen.cc
@@ -84,6 +84,8 @@ bool FullCodeGenerator::MakeCode(CompilationInfo* info) {
 bool FullCodeGenerator::MakeCode(CompilationInfo* info, uintptr_t stack_limit) {
   Isolate* isolate = info->isolate();
 
+  if (info->shared_info()->must_use_ignition_turbo()) return false;

[Michael Starzinger, 2016/11/22 14:53:50]

I assume turning this into a DCHECK doesn't work yet? Can we leave a TODO here
that this should eventually become a DCHECK?

[rmcilroy, 2016/11/22 17:24:02]

The issue was EnsureDeoptimizationSupport. I've moved the check to
EnsureDeoptimizationSupport and made this a DCHECK here.

+
   DCHECK(!FLAG_minimal);
   RuntimeCallTimerScope runtimeTimer(isolate,
                                      &RuntimeCallStats::CompileFullCode);