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

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index 33bc1a3c743650e97fe17de1c6081e48152a6a7a..31929748ffa4de054067dc52b28db884fa9a8700 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -7642,8 +7642,10 @@ class SharedFunctionInfo: public HeapObject {
   // Is this a function or top-level/eval code.
   DECL_BOOLEAN_ACCESSORS(is_function)
 
-  // Indicates that code for this function cannot be compiled with Crankshaft.
-  DECL_BOOLEAN_ACCESSORS(dont_crankshaft)
+  // Indicates that code for this function must be compiled through the
+  // Ignition / TurboFan pipeline, and is unsupported by
+  // FullCodegen / Crankshaft.
+  DECL_BOOLEAN_ACCESSORS(must_use_ignition_turbo)
 
   // Indicates that code for this function cannot be flushed.
   DECL_BOOLEAN_ACCESSORS(dont_flush)
@@ -7932,7 +7934,7 @@ class SharedFunctionInfo: public HeapObject {
     kIsAnonymousExpression,
     kNameShouldPrintAsAnonymous,
     kIsFunction,
-    kDontCrankshaft,
+    kMustUseIgnitionTurbo,
     kDontFlush,
     // byte 2
     kFunctionKind,