[ast-optimizer-branch] PATCH to tweak debug_c_tree

[Jason Merrill]

The debug_c_tree output in gdb was missing a final newline.  Also add a
keystroke-saving macro.

2002-06-09  Jason Merrill  <jason@redhat.com>

	* c-pretty-print.c (debug_c_tree): Add a trailing newline.
	(debug_c_node): Likewise.
	* gdbinit.in (pct): New macro, calls debug_c_tree.

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