// RUN: clang-cc %s -emit-llvm -o - -triple i386-unknown-unknown | grep call | grep x86_stdcallcc void abort(void) __attribute__((__noreturn__)); typedef void re_string_t; typedef void re_dfa_t; typedef int reg_errcode_t; static reg_errcode_t re_string_construct (re_string_t *pstr, const char *str, int len, char * trans, int icase, const re_dfa_t *dfa) __attribute__ ((regparm (3), stdcall)); static reg_errcode_t re_string_construct (pstr, str, len, trans, icase, dfa) re_string_t *pstr; const char *str; int len, icase; char * trans; const re_dfa_t *dfa; { if (dfa != (void*)0x282020c0) abort(); return 0; } int main() { return re_string_construct(0, 0, 0, 0, 0, (void*)0x282020c0); }