[pushed] aarch64: Suppress warnings in pr99766.C

[Richard Sandiford via Gcc-patches]

pr99766.C is an ICE regression test that now triggers a warning
about converting float to _Float16.

Tested on aarch64-linux-gnu & pushed.

Richard


gcc/testsuite/
        * g++.target/aarch64/sve/pr99766.C: Disable warnings.
---
 gcc/testsuite/g++.target/aarch64/sve/pr99766.C | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gcc/testsuite/g++.target/aarch64/sve/pr99766.C 
b/gcc/testsuite/g++.target/aarch64/sve/pr99766.C
index 0ca8aee5798..528d9ddd007 100644
--- a/gcc/testsuite/g++.target/aarch64/sve/pr99766.C
+++ b/gcc/testsuite/g++.target/aarch64/sve/pr99766.C
@@ -1,5 +1,5 @@
 /* { dg-do compile } */
-/* { dg-additional-options "-O3 -march=armv8.2-a+sve" } */
+/* { dg-additional-options "-O3 -march=armv8.2-a+sve -w" } */
 typedef float a __attribute__((__mode__(HF)));
 typedef struct {
   a b;
-- 
2.25.1