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-Bug
-===
-
- * There is a memory leak that happens whenever object A refers to
- object B which refers back to object A. We have the following
- pattern:
-
- #include "PointerHolder.hh"
-
- class A
- {
- public:
- PointerHolder<A> a;
- };
-
- int main()
- {
- A a1;
- a1.a = new A();
- a1.a.getPointer()->a = new A();
- a1.a.getPointer()->a.getPointer()->a = a1.a;
- return 0;
- }
-
- In order to fix this, we have to explicitly break circular
- references, but we have to do this at a time that doesn't
- completely destroy performance.
-
- To debug, configure with
-
- ./configure --disable-shared --disable-test-compare-images \
- CFLAGS=-g CXXFLAGS=-g
-
- Current code causes test failures. linearize segfaults on
- hybrid-xref.pdf, and the test suite fails in various places. Maybe
- because we don't do any kind of loop detection?
-
- Use valgrind --leak-check=full to see leak details.
-
- The file memory-leak.pdf is a minimal case that shows the problem.
-
- Files in trace having tracing to show which objects haven't been
- allocated.
-
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