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merge revision(s) 56747,56754,56777: [Backport #12923] [Backport #12930] [Backport #13238]

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class.c: no fstring singleton class

	* class.c (singleton_class_of): prohibit fstrings from creating
	  singleton classes.
	  temporary measure for [ruby-dev:49867] [Bug #12923]
	test_fstring.rb: fix exception

	* test/-ext-/string/test_fstring.rb (test_singleton_class): fix
	  expected exception class.  [ruby-dev:49867] [Bug #12923]
	vm_eval.c: fstring instance_eval

	* vm_eval.c (singleton_class_for_eval): enable fstring singleton
	  class for instance_eval.  [ruby-core:78116] [Bug #12930]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@58157 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nagachika 2017-03-27 15:08:54 +00:00
parent 783286fe56
commit 018eeaf276
5 changed files with 23 additions and 1 deletions
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3
class.c
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@ -1578,6 +1578,9 @@ singleton_class_of(VALUE obj)
switch (BUILTIN_TYPE(obj)) {
case T_FLOAT: case T_BIGNUM: case T_SYMBOL:
goto no_singleton;
case T_STRING:
if (FL_TEST_RAW(obj, RSTRING_FSTR)) goto no_singleton;
break;
}
}