STR_HEAP_PTR     1220 string.c       	ruby_sized_xfree(STR_HEAP_PTR(str), STR_HEAP_SIZE(str));
STR_HEAP_PTR     1954 string.c       	ruby_sized_xfree(STR_HEAP_PTR(str), STR_HEAP_SIZE(str));
STR_HEAP_PTR     2482 string.c       	    char *ptr = STR_HEAP_PTR(str);
STR_HEAP_PTR     6357 string.c       	    ruby_sized_xfree(STR_HEAP_PTR(str), STR_HEAP_SIZE(str));
STR_HEAP_PTR     6433 string.c       	    ruby_sized_xfree(STR_HEAP_PTR(str), STR_HEAP_SIZE(str));