parse.y: guard dup string

* parse.y (rb_str_dynamic_intern): prevent a string which may be
  duplicated, from GC.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45432 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2014-03-26 06:34:35 +00:00
parent ad8ed59ab9
commit 33b8663f1b

View File

@ -10667,10 +10667,9 @@ rb_gc_free_dsymbol(VALUE ptr)
} }
VALUE VALUE
rb_str_dynamic_intern(VALUE s) rb_str_dynamic_intern(VALUE str)
{ {
#if USE_SYMBOL_GC #if USE_SYMBOL_GC
VALUE str = RB_GC_GUARD(s);
rb_encoding *enc, *ascii; rb_encoding *enc, *ascii;
VALUE dsym; VALUE dsym;
ID id, type; ID id, type;
@ -10702,11 +10701,12 @@ rb_str_dynamic_intern(VALUE s)
if (RUBY_DTRACE_SYMBOL_CREATE_ENABLED()) { if (RUBY_DTRACE_SYMBOL_CREATE_ENABLED()) {
RUBY_DTRACE_SYMBOL_CREATE(RSTRING_PTR(str), rb_sourcefile(), rb_sourceline()); RUBY_DTRACE_SYMBOL_CREATE(RSTRING_PTR(str), rb_sourcefile(), rb_sourceline());
RB_GC_GUARD(str);
} }
return dsym; return dsym;
#else #else
return rb_str_intern(s); return rb_str_intern(str);
#endif #endif
} }