diff options
author | normal <normal@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2015-01-22 07:48:59 +0000 |
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committer | normal <normal@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2015-01-22 07:48:59 +0000 |
commit | 6d56fd067e219803e194b8b95aa00e558250cfec (patch) | |
tree | 71c35bf49f4f6b817ce34af7e8c419031c263405 /hash.c | |
parent | c73f2d28b41a532a71b9b5000d0d59a4c6f49a91 (diff) |
fix flonum hashing regression from r45384
* st.c (st_numhash): mix float value for flonum
* hash.c (rb_any_hash): ditto
* benchmark/bm_hash_aref_flo.rb: new benchmark
* benchmark/bm_hash_ident_flo.rb: ditto
[Bug #10761]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49376 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'hash.c')
-rw-r--r-- | hash.c | 8 |
1 files changed, 7 insertions, 1 deletions
@@ -137,7 +137,13 @@ rb_any_hash(VALUE a) if (SPECIAL_CONST_P(a)) { if (a == Qundef) return 0; - if (STATIC_SYM_P(a)) a >>= (RUBY_SPECIAL_SHIFT + ID_SCOPE_SHIFT); + if (STATIC_SYM_P(a)) { + a >>= (RUBY_SPECIAL_SHIFT + ID_SCOPE_SHIFT); + } + else if (FLONUM_P(a)) { + /* prevent pathological behavior: [Bug #10761] */ + a = (st_index_t)rb_float_value(a); + } hnum = rb_objid_hash((st_index_t)a); } else if (BUILTIN_TYPE(a) == T_STRING) { |