* tree-nested.c (get_nonlocal_vla_type): If not optimizing, call

	note_nonlocal_vla_type for nonlocal VLAs.
	(note_nonlocal_vla_type, note_nonlocal_block_vlas,
	contains_remapped_vars, remap_vla_decls): New functions.
	(convert_nonlocal_reference_stmt): If not optimizing, call
	note_nonlocal_block_vlas on GIMPLE_BIND block vars.
	(nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
	if it wasn't found in var_map.
	(finalize_nesting_tree_1): Call remap_vla_decls.  If outermost
	GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
	to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
	declare_vars.
	* gimplify.c (nonlocal_vlas): New variable.
	(gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
	referenced VLAs.
	(gimplify_body): Create and destroy nonlocal_vlas.

	* trans-decl.c: Include pointer-set.h.
	(nonlocal_dummy_decl_pset, tree nonlocal_dummy_decls): New variables.
	(gfc_nonlocal_dummy_array_decl): New function.
	(gfc_get_symbol_decl): Call it for non-local dummy args with saved
	descriptor.
	(gfc_get_symbol_decl): Set DECL_BY_REFERENCE when needed.
	(gfc_generate_function_code): Initialize nonlocal_dummy_decl{s,_pset},
	chain it to outermost block's vars, destroy it afterwards.
	* Make-lang.in (trans-decl.o): Depend on pointer-set.h.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@146810 138bc75d-0d04-0410-961f-82ee72b054a4

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