[Bug target/95526] [11 Regression] aarch64: Wrong code accessing complex number from varargs

[acoplan at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95526

--- Comment #4 from Alex Coplan <acoplan at gcc dot gnu.org> ---
Ok, bootstrap and test looks good. Cleaned up a bunch of recent testsuite
failures:

+PASS: gcc.dg/compat/scalar-by-value-3 c_compat_x_tst.o-c_compat_y_tst.o
execute
+PASS: gcc.dg/compat/scalar-by-value-4 c_compat_x_tst.o-c_compat_y_tst.o
execute
+PASS: gcc.dg/compat/scalar-by-value-5 c_compat_x_tst.o-c_compat_y_tst.o
execute
+PASS: gcc.dg/compat/scalar-by-value-6 c_compat_x_tst.o-c_compat_y_tst.o
execute
+PASS: gcc.dg/compat/scalar-return-3 c_compat_x_tst.o-c_compat_y_tst.o execute
+PASS: gcc.dg/compat/scalar-return-4 c_compat_x_tst.o-c_compat_y_tst.o execute
+PASS: gcc.dg/complex-1.c execution test
+PASS: gcc.target/aarch64/aapcs64/va_arg-7.c execution,  -O0
+PASS: gcc.target/aarch64/aapcs64/va_arg-7.c execution,  -O1
+PASS: gcc.target/aarch64/aapcs64/va_arg-7.c execution,  -O2
+PASS: gcc.target/aarch64/aapcs64/va_arg-7.c execution,  -O3 -g
+PASS: gcc.target/aarch64/aapcs64/va_arg-7.c execution,  -Og -g
+PASS: gcc.target/aarch64/aapcs64/va_arg-7.c execution,  -Os

OK to commit?