https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89911
JunMa <JunMa at linux dot alibaba.com> changed:
What |Removed |Added
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CC| |JunMa at linux dot alibaba.com
--- Comment #1 from JunMa <JunMa at linux dot alibaba.com> ---
diff --git a/gcc/calls.c b/gcc/calls.c
index 63c1bc5..d940ec8 100644
--- a/gcc/calls.c
+++ b/gcc/calls.c
@@ -1556,6 +1556,8 @@ maybe_warn_nonstring_arg (tree fndecl, tree exp)
return;
unsigned nargs = call_expr_nargs (exp);
+ if (nargs == 0)
+ return;
/* The bound argument to a bounded string function like strncpy. */
tree bound = NULL_TREE;
this patch fixes it.