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ARC: cycle detector (#12823)

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* first implementation of the =trace and =dispose hooks for the cycle collector
* a cycle collector for ARC: progress
* manual: the .acyclic pragma is a thing once again
* gcbench: adaptations for --gc:arc
* enable valgrind tests for the strutils tests
* testament: better valgrind support
* ARC refactoring: growable jumpstacks
* ARC cycle detector: non-recursive algorithm
* moved and renamed core/ files back to system/
* refactoring: --gc:arc vs --gc:orc since 'orc' is even more experimental and we want to ship --gc:arc soonish
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Andreas Rumpf 2019-12-17 17:37:50 +01:00 • committed by GitHub
commit 83a736a34a
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45 changed files with 939 additions and 229 deletions
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lib/system/mmdisp.nim
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@ -499,7 +499,8 @@ else:
when not defined(gcRegions):
include "system/alloc"
include "system/cellsets"
when not usesDestructors:
include "system/cellsets"
when not leakDetector and not useCellIds:
sysAssert(sizeof(Cell) == sizeof(FreeCell), "sizeof FreeCell")
when compileOption("gc", "v2"):