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-rw-r--r--clang/test/Sema/knr-variadic-def.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/clang/test/Sema/knr-variadic-def.c b/clang/test/Sema/knr-variadic-def.c
new file mode 100644
index 0000000..6d5d632
--- /dev/null
+++ b/clang/test/Sema/knr-variadic-def.c
@@ -0,0 +1,29 @@
+// RUN: %clang_cc1 -fsyntax-only -verify -pedantic %s
+// PR4287
+
+#include <stdarg.h>
+char *foo = "test";
+int test(char*,...);
+
+int test(fmt)
+ char*fmt;
+{
+ va_list ap;
+ char*a;
+ int x;
+
+ va_start(ap,fmt);
+ a=va_arg(ap,char*);
+ x=(a!=foo);
+ va_end(ap);
+ return x;
+}
+
+void exit();
+
+int main(argc,argv)
+ int argc;char**argv;
+{
+ exit(test("",foo));
+}
+