Allow three runtime call attempts before throwing an out of...

src/runtime.cc

Index: src/runtime.cc
===================================================================
--- src/runtime.cc	(revision 636)
+++ src/runtime.cc	(working copy)
@@ -5770,9 +5770,15 @@
 
 void Runtime::PerformGC(Object* result) {
   Failure* failure = Failure::cast(result);
-  // Try to do a garbage collection; ignore it if it fails. The C
-  // entry stub will throw an out-of-memory exception in that case.
-  Heap::CollectGarbage(failure->requested(), failure->allocation_space());
+  if (failure->IsRetryAfterGC()) {
+    // Try to do a garbage collection; ignore it if it fails. The C
+    // entry stub will throw an out-of-memory exception in that case.
+    Heap::CollectGarbage(failure->requested(), failure->allocation_space());
+  } else {
+    // Handle last resort GC and make sure to allow future allocations
+    // to grow the heap without causing GCs (if possible).
+    Heap::CollectAllGarbage();
+  }
 }