merge revision(s) 57956:

	Raise error if spec is nil

	With parallel test-all, the spec is sometimes nil.
	To debug it raise more detailed error.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@58002 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

2 files changed, 4 insertions, 1 deletions

diff --git a/lib/rubygems/specification.rb b/lib/rubygems/specification.rb
index 5bbaec3911..a2f289d162 100644
--- a/lib/rubygems/specification.rb
+++ b/lib/rubygems/specification.rb
@@ -1128,6 +1128,9 @@ class Gem::Specification < Gem::BasicSpecification
     native = {}
 
     specs.reverse_each do |spec|
+      unless spec
+        raise Gem::Exception, "unexpectedly spec is nil: #{specs}"
+      end
       next if spec.version.prerelease? unless prerelease
 
       native[spec.name] = spec.version if spec.platform == Gem::Platform::RUBY
diff --git a/version.h b/version.h
index 94eedbbe2e..2299a31817 100644
--- a/version.h
+++ b/version.h
@@ -1,6 +1,6 @@
 #define RUBY_VERSION "2.4.0"
 #define RUBY_RELEASE_DATE "2017-03-17"
-#define RUBY_PATCHLEVEL 103
+#define RUBY_PATCHLEVEL 104
 
 #define RUBY_RELEASE_YEAR 2017
 #define RUBY_RELEASE_MONTH 3