Flush the optimizing compilejob queue when doing memory pressure GCs

src/compiler.cc

Index: src/compiler.cc
diff --git a/src/compiler.cc b/src/compiler.cc
index 8fac53e970322fee813cdfbd3e05cb07ef7a6239..992ed4e82dc93c006a4371cadc70aeb58f4e8da7 100644
--- a/src/compiler.cc
+++ b/src/compiler.cc
@@ -23,6 +23,7 @@
 #include "src/frames-inl.h"
 #include "src/full-codegen/full-codegen.h"
 #include "src/globals.h"
+#include "src/heap/heap.h"
 #include "src/interpreter/interpreter.h"
 #include "src/isolate-inl.h"
 #include "src/log-inl.h"
@@ -705,6 +706,15 @@ bool GetOptimizedCodeLater(CompilationJob* job) {
     return false;
   }
 
+  if (isolate->heap()->HighMemoryPressure()) {
+    if (FLAG_trace_concurrent_recompilation) {
+      PrintF("  ** High memory pressure, will retry optimizing ");
+      info->closure()->ShortPrint();
+      PrintF(" later.\n");
+    }
+    return false;
+  }
+
   // All handles below this point will be allocated in a deferred handle scope
   // that is detached and handed off to the background thread when we return.
   CompilationHandleScope handle_scope(info);