PR sanitizer/78541
	* gcc.dg/asan/pr78541-2.c: New test.
	* gcc.dg/asan/pr78541.c: New test.
	PR sanitizer/78541
	* asan.c (asan_expand_mark_ifn): Properly
	select a VAR_DECL from FRAME.* component reference.

From-SVN: r243003