2012-05-13 Siva Chandra Reddy <sivachandra@google.com>

2012-05-13  Siva Chandra Reddy  <sivachandra@google.com>

	Add a new function gdb.find_pc_line to the Python API.
	* NEWS (Python Scripting): Add entry about the new function.
	* python/python.c (gdbpy_find_pc_line): New function which
	implements gdb.find_pc_line.
	(GdbMethods): Add entry for the new function.

	doc/
	* gdb.texinfo (Basic Python): Add description about the function
	gdb.find_pc_line

	testsuite/
	* gdb.python/python.c: Add a new breakpoint comment.
	* gdb.python/python.exp: Add tests to test gdb.find_pc_line.