rb_str_freeze may resize oversized buffers to save memory, so favor
it over rb_obj_freeze. This is useful because IO methods do not
prematurely shrink buffers, as they are likely to be overwritten
with full data.
* string.c (Init_String): use rb_str_freeze for String#freeze
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51170 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* compile.c (iseq_compile_each): only emit opt_str_freeze,
opt_aref_with, and opt_aset_with insn when no block is given
[Bug #10557] [ruby-core:66595]
* test/ruby/test_optimization.rb (test_block_given_aset_aref):
new test for bug thanks to Bartosz Kopinski.
(test_string_freeze): additional assertion for object_id
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48869 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* test/ruby/test_optimization.rb (test_string_eq_neq): new test
(test_string_ltlt): ditto
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47921 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* test/ruby/test_optimization.rb (test_string_freeze): new test
(test_hash_aref_with): ditto
(test_hash_aset_with): ditto
Our new (in 2.2) optimizations must not trigger when redefined.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47911 b2dd03c8-39d4-4d8f-98ff-823fe69b080e