1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/tree-stdarg.c b/gcc/tree-stdarg.c
index 17d51a20fd3..0c70790f3eb 100644
--- a/gcc/tree-stdarg.c
+++ b/gcc/tree-stdarg.c
@@ -705,6 +705,13 @@ public:
   virtual bool gate (function *fun)
     {
       return (flag_stdarg_opt
+#ifdef ACCEL_COMPILER
+	      /* Disable for GCC5 in the offloading compilers, as
+		 va_list and gpr/fpr counter fields are not merged.
+		 In GCC6 when stdarg is lowered late this shouldn't be
+		 an issue.  */
+	      && !in_lto_p
+#endif
 	      /* This optimization is only for stdarg functions.  */
 	      && fun->stdarg != 0);
     }