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Fix crash during compaction

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[Bug #19529]

The fix for [Bug #19529] in commit 548086b contained a bug that crashes
on the following script:

```
wm = ObjectSpace::WeakMap.new
obj = Object.new
100.times do
  wm[Object.new] = obj
  GC.start
end
GC.compact
```
This commit is contained in:
Peter Zhu 2023-03-14 23:18:11 -04:00
parent 70ba310212
commit 3dc8cde700
2 changed files with 11 additions and 1 deletions
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2
weakmap.c
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@ -17,7 +17,7 @@ wmap_replace_ref(st_data_t *key, st_data_t *value, st_data_t _argp, int existing
{
*key = rb_gc_location((VALUE)*key);
VALUE *values = (VALUE *)value;
VALUE *values = (VALUE *)*value;
VALUE size = values[0];
for (VALUE index = 1; index <= size; index++) {