diff options
author | ko1 <ko1@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-08-12 06:19:15 +0000 |
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committer | ko1 <ko1@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-08-12 06:19:15 +0000 |
commit | 9af743fe0e8c7aa7a25a6805a64d499aab3032af (patch) | |
tree | 0269c09d852781b6f518a912ca9d82c4e9605411 /class.c | |
parent | 7f0a26e2718246c0c171df648e020fc1df873d0b (diff) |
* class.c (rb_prepend_module): make T_ICLASS object shady because
this T_ICLASS object seems to share method table with other class
objects. It was causes WB miss.
TODO: need to know the data structure.
* test/ruby/test_module.rb: add a test for WB miss.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42534 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'class.c')
-rw-r--r-- | class.c | 1 |
1 files changed, 1 insertions, 0 deletions
@@ -826,6 +826,7 @@ rb_prepend_module(VALUE klass, VALUE module) origin = RCLASS_ORIGIN(klass); if (origin == klass) { origin = class_alloc(T_ICLASS, klass); + OBJ_WB_UNPROTECT(origin); /* TODO: conservertive shading. Need more survery. */ RCLASS_SET_SUPER(origin, RCLASS_SUPER(klass)); RCLASS_SET_SUPER(klass, origin); RCLASS_ORIGIN(klass) = origin; |