* function.h (struct function): Add saved blocks/unexpanded var list.
	* gimple-low.c (record_vars): Insert only VAR_DECLs.
	* tree-inline.c (add_lexical_block): Declare; do not clear sublocks.
	(remap_decl): Do not declare vars.
	(remap_block): Do not care inserting blocks.
	(remap_blocks): New function.
	(copy_body_r): Update debug info.
	(expand_call_inline): Duplicate callee block tree into caller;
	copy all the unexpanded_var_list.
	(save_body): Save unexpanded_var_list and blocks.
	* tree-optimize.c (tree_rest_of_optimization): Restore
	blocks/unexpanded_var_list.

From-SVN: r101449