From 9723bcf60fe6467fe4441ed136baf671323ec1ae Mon Sep 17 00:00:00 2001
From: Ted Kremenek <kremenek@apple.com>
Date: Fri, 27 Feb 2009 17:58:43 +0000
Subject: When checking printf-arguments for functions with '__attribute__
 ((format (printf, X, Y)))' set HasVAListArg to true when 'Y' is 0 (i.e.,
 ignore the data arguments).

This fixes <rdar://problem/6623513>.

llvm-svn: 65642
---
 clang/test/Sema/format-attribute.c | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'clang/test/Sema/format-attribute.c')

diff --git a/clang/test/Sema/format-attribute.c b/clang/test/Sema/format-attribute.c
index ecdef9dde1a..a1cd0b84b37 100644
--- a/clang/test/Sema/format-attribute.c
+++ b/clang/test/Sema/format-attribute.c
@@ -24,3 +24,11 @@ struct _mystruct {
 };
 
 typedef int (*f3_ptr)(char*,...) __attribute__((format(printf,1,0))); // no-error
+
+// <rdar://problem/6623513>
+int rdar6623513(void *, const char*, const char*, ...)
+  __attribute__ ((format (printf, 3, 0)));
+
+int rdar6623513_aux(int len, const char* s) {
+  rdar6623513(0, "hello", "%.*s", len, s);
+}
-- 
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