diff options
| author | normal <normal@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-03-10 20:09:06 +0000 |
|---|---|---|
| committer | normal <normal@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-03-10 20:09:06 +0000 |
| commit | 568f8adfc884d1897eca56c8b6c0ec0018cf3816 (patch) | |
| tree | 1a9fea1c18286ad0a8689df70a75825a0961dcc8 /compile.c | |
| parent | c51de81d8edb78de83cb0645830153f448349d8d (diff) | |
compile.c: apply opt_str_freeze to String#-@ (uminus)
The same optimization used for "literal string".freeze
can easily apply to uminus without introducing any
compatibility problems.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57828 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'compile.c')
| -rw-r--r-- | compile.c | 3 |
1 files changed, 2 insertions, 1 deletions
@@ -5188,7 +5188,8 @@ iseq_compile_each(rb_iseq_t *iseq, LINK_ANCHOR *const ret, NODE *node, int poppe * "literal".freeze -> opt_str_freeze("literal") */ if (node->nd_recv && nd_type(node->nd_recv) == NODE_STR && - node->nd_mid == idFreeze && node->nd_args == NULL && + (node->nd_mid == idFreeze || node->nd_mid == idUMinus) && + node->nd_args == NULL && ISEQ_COMPILE_DATA(iseq)->current_block == NULL && ISEQ_COMPILE_DATA(iseq)->option->specialized_instruction) { VALUE str = rb_fstring(node->nd_recv->nd_lit); |