diff options
| author | Yusuke Endoh <mame@ruby-lang.org> | 2022-10-13 19:23:46 +0900 |
|---|---|---|
| committer | Aaron Patterson <aaron.patterson@gmail.com> | 2022-10-13 08:14:04 -0700 |
| commit | 2cc3963a00868ef6ff84a8b3bccca778592b3c2d (patch) | |
| tree | bd92ed3502bdbf4b188f90e75c661e8f5b84bd91 /vm_callinfo.h | |
| parent | 4b1504ae0a5118153f8b47d7bd0fff7e61553d17 (diff) | |
| download | ruby-2cc3963a00868ef6ff84a8b3bccca778592b3c2d.tar.gz | |
Prevent wrong integer expansion
`(attr_index + 1)` leads to wrong integer expansion on 32-bit machines
(including Solaris 10 CI) because `attr_index_t` is uint16_t.
http://rubyci.s3.amazonaws.com/solaris10-gcc/ruby-master/log/20221013T080004Z.fail.html.gz
```
1) Failure:
TestRDocClassModule#test_marshal_load_version_2 [/export/home/users/chkbuild/cb-gcc/tmp/build/20221013T080004Z/ruby/test/rdoc/test_rdoc_class_module.rb:493]:
<[doc: [doc (file.rb): [para: "this is a comment"]]]> expected but was
<[doc: [doc (file.rb): [para: "this is a comment"]]]>.
2) Failure:
TestRDocStats#test_report_method_line [/export/home/users/chkbuild/cb-gcc/tmp/build/20221013T080004Z/ruby/test/rdoc/test_rdoc_stats.rb:460]:
Expected /\#\ in\ file\ file\.rb:4/ to match "The following items are not documented:\n" +
"\n" +
" class C # is documented\n" +
"\n" +
" # in file file.rb\n" +
" def m1; end\n" +
"\n" +
" end\n" +
"\n" +
"\n".
3) Failure:
TestRDocStats#test_report_attr_line [/export/home/users/chkbuild/cb-gcc/tmp/build/20221013T080004Z/ruby/test/rdoc/test_rdoc_stats.rb:91]:
Expected /\#\ in\ file\ file\.rb:3/ to match "The following items are not documented:\n" +
"\n" +
" class C # is documented\n" +
"\n" +
" attr_accessor :a # in file file.rb\n" +
"\n" +
" end\n" +
"\n" +
"\n".
```
Diffstat (limited to 'vm_callinfo.h')
| -rw-r--r-- | vm_callinfo.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/vm_callinfo.h b/vm_callinfo.h index e59f25ca59..2002718881 100644 --- a/vm_callinfo.h +++ b/vm_callinfo.h @@ -457,13 +457,13 @@ vm_cc_attr_index_set(const struct rb_callcache *cc, attr_index_t index, shape_id } VM_ASSERT(IMEMO_TYPE_P(cc, imemo_callcache)); VM_ASSERT(cc != vm_cc_empty()); - *attr_value = (index + 1) | ((uintptr_t)(dest_shape_id) << SHAPE_FLAG_SHIFT); + *attr_value = (attr_index_t)(index + 1) | ((uintptr_t)(dest_shape_id) << SHAPE_FLAG_SHIFT); } static inline void vm_ic_attr_index_set(const rb_iseq_t *iseq, const struct iseq_inline_iv_cache_entry *ic, attr_index_t index, shape_id_t dest_shape_id) { - *(uintptr_t *)&ic->value = ((uintptr_t)dest_shape_id << SHAPE_FLAG_SHIFT) | (index + 1); + *(uintptr_t *)&ic->value = ((uintptr_t)dest_shape_id << SHAPE_FLAG_SHIFT) | (attr_index_t)(index + 1); } static inline void |