[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 1a1f5fd26437ea9e2b3a51915102251ef4e2d3d9..4aa1f3d70224dfc2292832002fa5ed4de7b2195a 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -7634,8 +7634,10 @@ 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)
@@ -7924,7 +7926,7 @@ class SharedFunctionInfo: public HeapObject {
     kIsAnonymousExpression,
     kNameShouldPrintAsAnonymous,
     kIsFunction,
-    kDontCrankshaft,
+    kMustUseIgnitionTurbo,
     kDontFlush,
     // byte 2
     kFunctionKind,