PR middle-end/77594
	* internal-fn.c (expand_arith_overflow) <case MINUS_EXPR>: Don't fall
	through into expand_addsub_overflow after expand_neg_overflow.

	* gcc.target/i386/pr77594.c: New test.

Co-Authored-By: Eric Botcazou <ebotcazou@adacore.com>

From-SVN: r240173