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	cpp_init.
	(cpp_init): New.
	(initialize_builtins): Free memory.
	(cpp_start_read): Move init_IStable to cpp_init.

	* cpplib.h (cpp_init): New prototype.
	* cppmain.c (main): Call cpp_init.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35763 138bc75d-0d04-0410-961f-82ee72b054a4