gcc/ada/
	* gcc-interface/ada-tree.h (union lang_tree_node): Check for
	TS_COMMON before calling TREE_CHAIN.
	* gcc-interface/misc.c (gnat_init_ts): New function.
	(LANG_HOOKS_INIT_TS): Define.

gcc/
	* c-decl.c (union lang_tree_node): Check for TS_COMMON before
	calling TREE_CHAIN.
	* print-tree.c (print_node): Likewise.
	* tree-inline.c (copy_tree_r): Likewise.
	* c-lang.c (LANG_HOOKS_INIT_TS): Define.
	* lto-streamer-in.c (lto_input_tree_pointers): Check for TS_TYPED
	instead of TS_COMMON.
	* lto-streamer-out.c (lto_output_tree_pointers): Likewise.
	* tree.c (initialize_tree_contains_struct): Handle TS_TYPED.
	(copy_node_stat): Zero TREE_CHAIN only if necessary.
	(MARK_TS_BASE, MARK_TS_TYPED, MARK_TS_COMMON): Move these...
	(MARK_TS_DECL_COMMON, MARK_TS_DECL_COMMON, MARK_TS_DECL_WRTL):
	...and these...
	(MARK_TS_DECL_WITH_VIS, MARK_TS_DECL_NON_COMMON): ...and these...
	* tree.h: ...here.
	(TREE_CHAIN): Check for a TS_COMMON structure.
	(TREE_TYPE): Check for a TS_TYPED structure.

gcc/c-family/
	* c-common.h (c_common_init_ts): Declare.
	* c-common.c (c_common_init_ts): Define.

gcc/cp/
	* cp-lang.c (cp_init_ts): Call cp_common_init_ts.  Move
	tree_contains_struct initialization to...
	* cp-objcp-common.c (cp_common_init_ts): ...here.  Use MARK_*
	macros.
	* cp-objcp-common.h (cp_common_init_ts): Declare.
	* cp-tree.h (union lang_tree_node): Check for TS_COMMON before
	calling TREE_CHAIN.

gcc/fortran/
	* f95-lang.c (union lang_tree_node): Check for TS_COMMON before
	calling TREE_CHAIN.

gcc/go/
	* go-lang.c (union lang_tree_node): Check for TS_COMMON before
	calling TREE_CHAIN.

gcc/java/
	* java-tree.h (union lang_tree_node): Check for TS_COMMON before
	calling TREE_CHAIN.

gcc/lto/
	* lto-tree.h (union lang_tree_node): Check for TS_COMMON before
	calling TREE_CHAIN.
	* lto.c (lto_fixup_common): Likewise.

gcc/objc/
	* objc-lang.c (objc_init_ts): Move code for this function...
	* objc-act.c (objc_common_init_ts): ...here. Define.
	* objc-act.h (objc_common_init_ts): Declare.

gcc/objcp/
	* objcp-lang.c (objcxx_init_ts): Call objc_common_init_ts and
	cp_common_init_ts.

From-SVN: r172359