1 files changed, 14 insertions, 6 deletions

diff --git a/shell/ash.c b/shell/ash.c
index f74fbd72f..1f5a8dae0 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -6137,6 +6137,19 @@ struct backcmd {                /* result of evalbackcmd */
 #define EV_TESTED  02           /* exit status is checked; ignore -e flag */
 static int evaltree(union node *, int);
 
+/* An evaltree() which is known to never return.
+ * Used to use an alias:
+ * static int evaltreenr(union node *, int) __attribute__((alias("evaltree"),__noreturn__));
+ * but clang was reported to "transfer" noreturn-ness to evaltree() as well.
+ */
+static ALWAYS_INLINE NORETURN void
+evaltreenr(union node *n, int flags)
+{
+        evaltree(n, flags);
+        bb_unreachable(abort());
+        /* NOTREACHED */
+}
+
 static void FAST_FUNC
 evalbackcmd(union node *n, struct backcmd *result)
 {
@@ -6173,7 +6186,7 @@ evalbackcmd(union node *n, struct backcmd *result)
  */
                 eflag = 0;
                 ifsfree();
-                evaltree(n, EV_EXIT); /* actually evaltreenr... */
+                evaltreenr(n, EV_EXIT);
                 /* NOTREACHED */
         }
         /* parent */
@@ -8796,11 +8809,6 @@ evaltree(union node *n, int flags)
         return exitstatus;
 }
 
-#if !defined(__alpha__) || (defined(__GNUC__) && __GNUC__ >= 3)
-static
-#endif
-int evaltreenr(union node *, int) __attribute__ ((alias("evaltree"),__noreturn__));
-
 static int
 skiploop(void)
 {