testsuite/aarch64: Run pr99988.c test under lp64 only

The new test fails with -mabi=ilp32:
sorry, unimplemented: return address signing is only supported for '-mabi=lp64'

2021-04-22  Christophe Lyon  <christophe.lyon@linaro.org>

	gcc/testsuite/
	PR target/99988
	* gcc.target/aarch64/pr99988.c: Skip if not lp64 target.

diff --git a/gcc/testsuite/gcc.target/aarch64/pr99988.c b/gcc/testsuite/gcc.target/aarch64/pr99988.c
index 2d87f41a7174799e6e759946ef2a46d280533359..7cca4962944616ff24835d497ad6da235daeb0a8 100644 (file)
--- a/gcc/testsuite/gcc.target/aarch64/pr99988.c
+++ b/gcc/testsuite/gcc.target/aarch64/pr99988.c
@@ -1,4 +1,4 @@
-/* { dg-do compile } */
+/* { dg-do compile { target lp64 } } */
 /* { dg-options "-O2 -mbranch-protection=standard" } */
 /* { dg-final { scan-assembler-times {bti j} 13 } } */
 int a;