[not for landing] Debugging gpu failures

src/heap/spaces.h

Index: src/heap/spaces.h
diff --git a/src/heap/spaces.h b/src/heap/spaces.h
index 7d379490d9323f61f0d607453d5e8d11d76fab81..f9523e54520ca52c0c993b62bcee650d8bb77930 100644
--- a/src/heap/spaces.h
+++ b/src/heap/spaces.h
@@ -1470,9 +1470,12 @@ class AllocationInfo {
  public:
   AllocationInfo() : original_top_(nullptr), top_(nullptr), limit_(nullptr) {}
   AllocationInfo(Address top, Address limit)
-      : original_top_(top), top_(top), limit_(limit) {}
+      : original_top_(top), top_(top), limit_(limit) {
+    DCHECK_LE(top_, limit_);
+  }
 
   void Reset(Address top, Address limit) {
+    DCHECK_LE(top, limit);
     original_top_ = top;
     set_top(top);
     set_limit(limit);
@@ -2122,6 +2125,8 @@ class PagedSpace : public Space {
   // address denoted by top in allocation_info_.
   inline HeapObject* AllocateLinearly(int size_in_bytes);
 
+  void PrintStackFramesAndDie();
+
   // Generic fast case allocation function that tries aligned linear allocation
   // at the address denoted by top in allocation_info_. Writes the aligned
   // allocation size, which includes the filler size, to size_in_bytes.