PR c/35430
	* c-common.c (warn_for_sign_compare): For complex result_type
	use component's type.

	* gcc.dg/pr35430.c: New test.
	* g++.dg/warn/Wsign-compare-2.C: New test.

Co-Authored-By: Andrew Pinski <andrew_pinski@playstation.sony.com>

From-SVN: r141587