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-rw-r--r--gcc/builtins.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/builtins.c b/gcc/builtins.c
index 0aed008..42150ce 100644
--- a/gcc/builtins.c
+++ b/gcc/builtins.c
@@ -12597,7 +12597,8 @@ fold_builtin_next_arg (tree exp, bool va_start_p)
arg = CALL_EXPR_ARG (exp, 0);
}
- if (TREE_CODE (arg) == SSA_NAME)
+ if (TREE_CODE (arg) == SSA_NAME
+ && SSA_NAME_VAR (arg))
arg = SSA_NAME_VAR (arg);
/* We destructively modify the call to be __builtin_va_start (ap, 0)