Merged r11143, r11162, r11174, r11208, r11213, r11222 into 3.9 branch.

src/mark-compact.cc

Index: src/mark-compact.cc
diff --git a/src/mark-compact.cc b/src/mark-compact.cc
index dde172d2f026ea432b7434916c26d571526e071a..b4f488bd9570e98191da12d61dc9ee25b3dfa084 100644
--- a/src/mark-compact.cc
+++ b/src/mark-compact.cc
@@ -1406,6 +1406,10 @@ class StaticMarkingVisitor : public StaticVisitorBase {
 
     if (shared->IsInobjectSlackTrackingInProgress()) shared->DetachInitialMap();
 
+    if (shared->ic_age() != heap->global_ic_age()) {
+      shared->ResetForNewContext(heap->global_ic_age());
+    }
+
     if (!known_flush_code_candidate) {
       known_flush_code_candidate = IsFlushable(heap, shared);
       if (known_flush_code_candidate) {