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author | normal <normal@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2015-12-11 09:15:14 +0000 |
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committer | normal <normal@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2015-12-11 09:15:14 +0000 |
commit | d65bc80d3f71bf5423a6a6d9b3f8d4ff2faf6bd5 (patch) | |
tree | 5c5e19aaf27ec4b384a18ca0b5bbd973a9fd5eeb /insns.def | |
parent | 89288e30bfad9458bfd2580e903f1e844af795f2 (diff) | |
download | ruby-d65bc80d3f71bf5423a6a6d9b3f8d4ff2faf6bd5.tar.gz |
insns.def (opt_case_dispatch): avoid converting Infinity
Infinity cannot be written as an optimizable literal,
so it can never match a key in a CDHASH.
Avoid converting it to prevent FloatDomainError.
* insns.def (opt_case_dispatch): avoid converting Infinity
* test/ruby/test_optimization.rb (test_opt_case_dispatch_inf): new
[ruby-dev:49423] [Bug #11804]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53039 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'insns.def')
-rw-r--r-- | insns.def | 2 |
1 files changed, 1 insertions, 1 deletions
@@ -1262,7 +1262,7 @@ opt_case_dispatch switch(TYPE(key)) { case T_FLOAT: { double ival; - if (modf(RFLOAT_VALUE(key), &ival) == 0.0) { + if (modf(RFLOAT_VALUE(key), &ival) == 0.0 && !isinf(ival)) { key = FIXABLE(ival) ? LONG2FIX((long)ival) : rb_dbl2big(ival); } } |