Argyrios Kyrtzidis eb663daeff [PCH/Modules] De/Serialize MacroInfos separately than MacroDirectives.
-Serialize the macro directives history into its own section
-Get rid of the macro updates section
-When de/serializing an identifier from a module, associate only one macro per
 submodule that defined+exported it.

llvm-svn: 177761
2013-03-22 21:12:57 +00:00
..
2012-12-21 17:07:08 +00:00