xref: /llvm-project/clang/test/Sema/arg-duplicate.c (revision 9c4ade0623af842cda16e5c71b27fb794a3ff3db)
1 // RUN: %clang_cc1 -fsyntax-only -verify %s -std=c99
2 
f3(y,x,x)3 int f3(y, x,       // expected-warning {{a function definition without a prototype is deprecated in all versions of C and is not supported in C23}}
4        x)          // expected-error {{redefinition of parameter}}
5   int y,
6       x,           // expected-note {{previous declaration is here}}
7       x;           // expected-error {{redefinition of parameter}}
8 {
9   return x + y;
10 }
11 
f4(void)12 void f4(void) {
13   f3 (1, 1, 2, 3, 4); // expected-warning{{too many arguments}}
14 }
15 
16