testsuite, X86, Darwin: Skip a test for mcmodel=large.

The large model is not implemented so far for Darwin (and the
codegen will be different when it is).

gcc/testsuite/ChangeLog:

	* gcc.target/i386/large-data.c: Skip for Darwin.

Signed-off-by: Iain Sandoe <iain@sandoe.co.uk>

gcc/testsuite/gcc.target/i386/large-data.c

@@ -1,6 +1,7 @@
 /* { dg-do compile } */
 /* { dg-require-effective-target lp64 } */
 /* { dg-options "-O2 -mcmodel=large -mlarge-data-threshold=4" } */
+/* { dg-skip-if "PR90698" "*-*-darwin*" } */
 /* { dg-final { scan-assembler {\.lbss} } } */
 /* { dg-final { scan-assembler {\.bss} } } */
 /* { dg-final { scan-assembler {\.ldata} } } */