alias.h: Do not include coretypes.h in header files.

alias.h: Do not include coretypes.h in header files.

gcc/
	* alias.h: Do not include coretypes.h in header files.
	* cppbuiltin.h: Likewise.
	* double-int.h: Likewise.
	* gimple-fold.h: Likewise.
	* flags.h: Likewise.
	* tree-ssa-alias.h: Likewise.
	* gengtype.h (obstack_chunk_alloc, obstack_chunk_free,
	OBSTACK_CHUNK_SIZE): Define here to avoid dependency on coretypes.h.
	* Makefile.in (RTL_BASE_H): Depend on coretypes.h.
	(TREE_H): Likewise.
	(ALIAS_H): Do not depend on coretypes.h.
	(FLAGS_H): Likewise.
	(realmpfr.o): Depend on coretypes.h.

java/
	* verify.h: Do not include system.h and coretypes.h here.
	* verify-impl.c: Include them here instead.

From-SVN: r189358