https://git.ruby-lang.org/ruby.git/commit/?id=e571bb8436

From e571bb8436502b1bce54a1e41c40ef682e05c555 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@r...>
Date: Mon, 20 Apr 2020 21:13:08 +0900
Subject: Removed phony atomic operations for void* and VALUE


diff --git a/ruby_atomic.h b/ruby_atomic.h
index d233867..0742791 100644
--- a/ruby_atomic.h
+++ b/ruby_atomic.h
@@ -162,14 +162,7 @@ typedef unsigned int rb_atomic_t; https://github.com/ruby/ruby/blob/trunk/ruby_atomic.h#L162
 # if SIZEOF_VOIDP == SIZEOF_SIZE_T
 #   define ATOMIC_PTR_EXCHANGE(var, val) (void *)ATOMIC_SIZE_EXCHANGE(*(size_t *)&(var), (size_t)(val))
 # else
-#   define ATOMIC_PTR_EXCHANGE(var, val) ruby_atomic_ptr_exchange((const void **)&(var), (val))
-static inline void *
-ruby_atomic_ptr_exchange(const void **ptr, const void *val)
-{
-    const void *const old = *ptr;
-    *ptr = val;
-    return (void *)old;
-}
+#   error No atomic exchange for void*
 # endif
 #endif
 
@@ -177,14 +170,7 @@ ruby_atomic_ptr_exchange(const void **ptr, const void *val) https://github.com/ruby/ruby/blob/trunk/ruby_atomic.h#L170
 # if SIZEOF_VOIDP == SIZEOF_SIZE_T
 #   define ATOMIC_PTR_CAS(var, oldval, val) (void *)ATOMIC_SIZE_CAS(*(size_t *)&(var), (size_t)(oldval), (size_t)(val))
 # else
-#   define ATOMIC_PTR_CAS(var, oldval, val) ruby_atomic_ptr_cas(&(var), (oldval), (val))
-static inline void *
-ruby_atomic_ptr_cas(const void **ptr, const void *oldval, const void *val)
-{
-    const void *const old = *ptr;
-    if (old == oldval) *ptr = val;
-    return (void *)old;
-}
+#   error No atomic compare-and-set for void*
 # endif
 #endif
 
@@ -192,14 +178,7 @@ ruby_atomic_ptr_cas(const void **ptr, const void *oldval, const void *val) https://github.com/ruby/ruby/blob/trunk/ruby_atomic.h#L178
 # if SIZEOF_VALUE == SIZEOF_SIZE_T
 #   define ATOMIC_VALUE_EXCHANGE(var, val) ATOMIC_SIZE_EXCHANGE(*(size_t *)&(var), (size_t)(val))
 # else
-#   define ATOMIC_VALUE_EXCHANGE(var, val) ruby_atomic_value_exchange(&(var), (val))
-static inline VALUE
-ruby_atomic_value_exchange(VALUE *ptr, VALUE val)
-{
-    const VALUE old = *ptr;
-    *ptr = val;
-    return old;
-}
+#   error No atomic exchange for VALUE
 # endif
 #endif
 
@@ -207,14 +186,7 @@ ruby_atomic_value_exchange(VALUE *ptr, VALUE val) https://github.com/ruby/ruby/blob/trunk/ruby_atomic.h#L186
 # if SIZEOF_VALUE == SIZEOF_SIZE_T
 #   define ATOMIC_VALUE_CAS(var, oldval, val) ATOMIC_SIZE_CAS(*(size_t *)&(var), (size_t)(oldval), (size_t)(val))
 # else
-#   define ATOMIC_VALUE_CAS(var, oldval, val) ruby_atomic_value_cas(&(var), (oldval), (val))
-static inline VALUE
-ruby_atomic_value_cas(VALUE *ptr, VALUE oldval, VALUE val)
-{
-    const VALUE old = *ptr;
-    if (old == oldval) *ptr = val;
-    return old;
-}
+#   error No atomic compare-and-set for VALUE
 # endif
 #endif
 
diff --git a/tool/sync_default_gems.rb b/tool/sync_default_gems.rb
index d034e72..ddbce8d 100644
--- a/tool/sync_default_gems.rb
+++ b/tool/sync_default_gems.rb
@@ -374,11 +374,15 @@ def sync_default_gems_with_commits(gem, range) https://github.com/ruby/ruby/blob/trunk/tool/sync_default_gems.rb#L374
 
     if result.empty?
       skipped = true
-    elsif result.start_with?("CONFLICT")
+    elsif /^CONFLICT/ =~ result
       result = IO.popen(%W"git status --porcelain", &:readlines).each(&:chomp!)
-      ignore = result.map {|line| /^DU / =~ line and IGNORE_FILE_PATTERN =~ (name = $') and name}
+      ignore = result.map {|line| /^.U / =~ line and IGNORE_FILE_PATTERN =~ (name = $') and name}
       ignore.compact!
-      system(*%W"git reset", *ignore) unless ignore.empty?
+      warn "Resetting #{ignore}"
+      unless ignore.empty?
+        system(*%W"git reset HEAD --", *ignore)
+        system(*%W"git checkout HEAD --", *ignore)
+      end
       skipped = !system({"GIT_EDITOR"=>"true"}, *%W"git cherry-pick --no-edit --continue")
     end
 
-- 
cgit v0.10.2


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