--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gcc/testsuite/gcc.dg/complex-4.c Fri Oct 27 22:46:09 2017 +0900 @@ -0,0 +1,7 @@ +/* PR c/22393 */ +/* { dg-options "-O -std=gnu99" } */ + +__complex__ double foo (__complex__ double x) +{ + return 1.0 / x * -1.0i; +}