Add tags for new failing specs

Author: andrykonchin

spec/tags/core/module/autoload_tags.txt

@@ -3,3 +3,4 @@ fails:Module#autoload removes the constant from Module#constants if the loaded f
 fails:Module#autoload after autoloading searches for the constant like the original lookup looks up in parent scope after failed autoload
 fails:Module#autoload after autoloading searches for the constant like the original lookup warns once in verbose mode if the constant was defined in a parent scope
 fails:Module#autoload during the autoload after the constant is assigned returns nil in autoload thread and returns the path in other threads for Module#autoload?
+fails:Module#autoload during the autoload after the constant is assigned returns the real constant location in autoload thread and returns the autoload location in other threads for Module#const_source_location

spec/tags/core/module/const_source_location_tags.txt

@@ -1,2 +1,3 @@
 fails:Module#const_source_location autoload returns the autoload location while not resolved
 fails:Module#const_source_location returns updated location from const_set
+fails:Module#const_source_location autoload returns the real constant location as soon as it is defined

spec/tags/library/socket/basicsocket/read_nonblock_tags.txt

@@ -1,2 +1,4 @@
 fails:BasicSocket#read_nonblock using IPv4 does not set the IO in nonblock mode
 fails:BasicSocket#read_nonblock using IPv6 does not set the IO in nonblock mode
+fails:BasicSocket#read_nonblock using IPv4 replaces the content of the provided buffer without changing its encoding
+fails:BasicSocket#read_nonblock using IPv6 replaces the content of the provided buffer without changing its encoding