aarch64: PR target/121749: Use dg-assemble in testcase

Committing as obvious.

Signed-off-by: Kyrylo Tkachov <ktkachov@nvidia.com>

gcc/testsuite/

	PR target/121749
	* gcc.target/aarch64/simd/pr121749.c: Use dg-assemble directive.

(cherry picked from commit 2b8256d0ce18ed4d00868c78f5128d32884ccfa1)
1 file changed