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-rw-r--r--gcc/builtins.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/builtins.c b/gcc/builtins.c
index 9f0f4ac..8621e0d 100644
--- a/gcc/builtins.c
+++ b/gcc/builtins.c
@@ -11801,6 +11801,9 @@ fold_builtin_next_arg (tree exp, bool va_start_p)
arg = CALL_EXPR_ARG (exp, 0);
}
+ if (TREE_CODE (arg) == SSA_NAME)
+ arg = SSA_NAME_VAR (arg);
+
/* We destructively modify the call to be __builtin_va_start (ap, 0)
or __builtin_next_arg (0) the first time we see it, after checking
the arguments and if needed issuing a warning. */