re PR target/80462 ([avr] Incorrect "warning: uninitialized variable 'xxx' put...

re PR target/80462 ([avr] Incorrect "warning: uninitialized variable 'xxx' put into program memory area" for identical strings)

	PR target/80462
	* config/avr/avr.c (tree.h): Include it.
	(cgraph.h): Include it.
	(avr_encode_section_info): Don't warn for uninitialized progmem
	variable if it's just an alias.

From-SVN: r246997