1ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liao// RUN: %clang_cc1 -emit-llvm-only %s 2ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liao 3ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liaotypedef struct _IO_FILE FILE; 4ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liaoint vfprintf(FILE*restrict,const char*restrict, __builtin_va_list); 5ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liaovoid foo(__builtin_va_list ap) { 6ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liao vfprintf(0, " ", ap); 7ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liao} 8ea285162342df160e7860e26528bc7110bc6c0cdShih-wei Liao 9