Create multiple compilation jobs for ignition if compiling multiple literals

src/compiler-dispatcher/compiler-dispatcher-job.h

Index: src/compiler-dispatcher/compiler-dispatcher-job.h
diff --git a/src/compiler-dispatcher/compiler-dispatcher-job.h b/src/compiler-dispatcher/compiler-dispatcher-job.h
index f3aaf939e0d4bc592e6879eb8ddfed5486785439..5101db0403eb595f079326455b1087b25e1476e2 100644
--- a/src/compiler-dispatcher/compiler-dispatcher-job.h
+++ b/src/compiler-dispatcher/compiler-dispatcher-job.h
@@ -6,6 +6,7 @@
 #define V8_COMPILER_DISPATCHER_COMPILER_DISPATCHER_JOB_H_
 
 #include <memory>
+#include <vector>
 
 #include "src/base/macros.h"
 #include "src/handles.h"
@@ -48,7 +49,7 @@ class CompilerDispatcherJob {
   }
   // Should only be called after kReadyToCompile.
   bool can_compile_on_background_thread() const {
-    DCHECK(compile_job_.get());
+    DCHECK(!compile_jobs_.empty());
     return can_compile_on_background_thread_;
   }
 
@@ -95,7 +96,7 @@ class CompilerDispatcherJob {
 
   // Members required for compiling.
   std::unique_ptr<CompilationInfo> compile_info_;
-  std::unique_ptr<CompilationJob> compile_job_;
+  std::vector<std::unique_ptr<CompilationJob>> compile_jobs_;
 
   bool can_parse_on_background_thread_;
   bool can_compile_on_background_thread_;