Fix pr88850 test

Fix pr88850.c testcase which was failing in hardfp environments.

Committed as obvious.

    gcc/testsuite/
	* gcc.target/arm/pr88850.c: Block -mfloat-abi override.

From-SVN: r269026

gcc/testsuite/ChangeLog

+2019-02-19  Wilco Dijkstra  <wdijkstr@arm.com>
+
+	* gcc.target/arm/pr88850.c: Block -mfloat-abi override.
+
 2019-02-19  Thomas Koenig  <tkoenig@gcc.gnu.org>
 
 	PR fortran/89384

gcc/testsuite/gcc.target/arm/pr88850.c

 /* PR target/88850 */
 /* { dg-do compile } */
-/* { dg-additional-options "-O2 -march=armv7-a -mfloat-abi=softfp -mfpu=neon -fdump-rtl-final" } */
+/* { dg-skip-if "do not override -mfloat-abi" { *-*-* } { "-mfloat-abi=*" } {"-mfloat-abi=soft" } } */
+/* { dg-options "-O2 -march=armv7-a -mfloat-abi=softfp -mfpu=neon -fdump-rtl-final" } */
 /* { dg-require-effective-target arm_neon_ok } */
 
 typedef __builtin_neon_qi int8x8_t __attribute__ ((__vector_size__ (8)));