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author | tenderlove <tenderlove@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2019-01-08 19:22:05 +0000 |
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committer | tenderlove <tenderlove@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2019-01-08 19:22:05 +0000 |
commit | 79c150f8a5af9ad555262646fb9631ac40f0c23f (patch) | |
tree | ac6d3b6960f358f88d69c453214a9e305b4a7569 /array.c | |
parent | e9dc6f6076207f84a93ae917ca682d7d2c973f86 (diff) | |
download | ruby-79c150f8a5af9ad555262646fb9631ac40f0c23f.tar.gz |
Mark array as "going to be modified" in `Array#reject!`
Before this patch, if `reject!` is called on a shared array it can
mutate the shared array rather than a copy. This patch marks the array
as "going to be modified" so that the shared source array isn't
mutated.
[Bug #15479] [ruby-core:90781]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66756 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'array.c')
-rw-r--r-- | array.c | 1 |
1 files changed, 1 insertions, 0 deletions
@@ -3540,6 +3540,7 @@ static VALUE rb_ary_reject_bang(VALUE ary) { RETURN_SIZED_ENUMERATOR(ary, 0, 0, ary_enum_length); + rb_ary_modify(ary); return ary_reject_bang(ary); } |