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re PR go/61258 (gccgo: assertion failure go-map-delete.c:37 [GoSmith])

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PR go/61258
runtime: Don't crash when deleting zero-sized key.

From-SVN: r218702
This commit is contained in:
Ian Lance Taylor 2014-12-13 01:58:46 +00:00
parent 967b254be1
commit 9ac18f8c2a
1 changed files with 4 additions and 1 deletions
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5
libgo/runtime/go-map-delete.c
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@ -35,7 +35,10 @@ __go_map_delete (struct __go_map *map, const void *key)
key_descriptor = descriptor->__map_descriptor->__key_type;
key_offset = descriptor->__key_offset;
key_size = key_descriptor->__size;
__go_assert (key_size != 0 && key_size != -1UL);
if (key_size == 0)
return;
__go_assert (key_size != -1UL);
equalfn = key_descriptor->__equalfn;
key_hash = key_descriptor->__hashfn (key, key_size);