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-rw-r--r--gcc-4.9/gcc/testsuite/gcc.dg/torture/pr53272-1.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/torture/pr53272-1.c b/gcc-4.9/gcc/testsuite/gcc.dg/torture/pr53272-1.c
new file mode 100644
index 000000000..a8fc91cb5
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/torture/pr53272-1.c
@@ -0,0 +1,39 @@
+/* { dg-do run } */
+/* { dg-additional-sources "pr53272-2.c" } */
+struct rtc_class_ops {
+ int (*f)(void *, unsigned int enabled);
+};
+
+struct rtc_device
+{
+ void *owner;
+ const struct rtc_class_ops *ops;
+ int ops_lock;
+};
+
+__attribute__ ((__noinline__, __noclone__))
+extern int foo(void *);
+__attribute__ ((__noinline__, __noclone__))
+extern void foobar(void *);
+
+__attribute__ ((__noinline__, __noclone__))
+int rtc_update_irq_enable(struct rtc_device *rtc, unsigned int enabled)
+{
+ int err;
+ asm volatile ("");
+
+ err = foo(&rtc->ops_lock);
+
+ if (err)
+ return err;
+
+ if (!rtc->ops)
+ err = -19;
+ else if (!rtc->ops->f)
+ err = -22;
+ else
+ err = rtc->ops->f(rtc->owner, enabled);
+
+ foobar(&rtc->ops_lock);
+ return err;
+}