[LTP] [PATCH v1] syscalls/signal06: add volatile to loop variable

[Edward Liaw]

On Android compiled with clang, the loop variable will be optimized out
unless it is tagged with volatile.

Signed-off-by: Edward Liaw <edliaw@google.com>
---
 testcases/kernel/syscalls/signal/signal06.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/testcases/kernel/syscalls/signal/signal06.c b/testcases/kernel/syscalls/signal/signal06.c
index 64f886ee3..b40ff3e40 100644
--- a/testcases/kernel/syscalls/signal/signal06.c
+++ b/testcases/kernel/syscalls/signal/signal06.c
@@ -65,7 +65,7 @@ char altstack[4096 * 10] __attribute__((aligned(4096)));
 
 void test(void)
 {
-	int loop = 0;
+	volatile int loop = 0;
 	int pid = getpid();
 
 	D = VALUE;
-- 
2.37.0.144.g8ac04bfd2-goog