(root)/
gcc-13.2.0/
gcc/
testsuite/
gcc.dg/
old-style-then-proto-1.c
       1  /* Test for old-style definition followed by prototype declaration.
       2     Mismatched qualifiers used to be wrongly forbidden.  */
       3  /* Origin: Joseph Myers <joseph@codesourcery.com> */
       4  /* { dg-do compile } */
       5  /* { dg-options "" } */
       6  
       7  void f1() {}
       8  void f1(void); /* { dg-warning "prototype for 'f1' follows non-prototype definition" } */
       9  
      10  void f2() {} /* { dg-message "note: previous definition of 'f2'" "note" } */
      11  void f2(int); /* { dg-error "prototype for 'f2' declares more arguments than previous old-style definition" } */
      12  
      13  void f3(a) int a; {} /* { dg-message "note: previous definition of 'f3'" "note" } */
      14  void f3(void); /* { dg-error "prototype for 'f3' declares fewer arguments than previous old-style definition" } */
      15  
      16  void f4(a) int a; {}
      17  void f4(int); /* { dg-warning "prototype for 'f4' follows non-prototype definition" } */
      18  
      19  void f5(a) int a; {} /* { dg-message "note: previous definition of 'f5'" "note" } */
      20  void f5(int, int); /* { dg-error "prototype for 'f5' declares more arguments than previous old-style definition" } */
      21  
      22  void f6(a) int a; {} /* { dg-message "note: previous definition of 'f6'" "note" } */
      23  void f6(int, ...); /* { dg-error "conflicting types for 'f6'" } */
      24  
      25  void f7(a, b) int a, b; {} /* { dg-message "note: previous definition of 'f7'" "note" } */
      26  void f7(int); /* { dg-error "prototype for 'f7' declares fewer arguments than previous old-style definition" } */
      27  
      28  void f8(a, b) int a, b; {} /* { dg-message "note: previous definition of 'f8'" "note" } */
      29  void f8(int, ...); /* { dg-error "conflicting types for 'f8'" } */
      30  
      31  void f9(a, b) int a, b; {}
      32  void f9(int, int); /* { dg-warning "prototype for 'f9' follows non-prototype definition" } */
      33  
      34  void f10(a, b) int a, b; {} /* { dg-message "note: previous definition of 'f10'" "note" } */
      35  void f10(int, long); /* { dg-error "prototype for 'f10' declares argument 2 with incompatible type" } */
      36  
      37  void f11(a, b) int a, b; {} /* { dg-message "note: previous definition of 'f11'" "note" } */
      38  void f11(long, int); /* { dg-error "prototype for 'f11' declares argument 1 with incompatible type" } */
      39  
      40  void f12(a, b) const int a; volatile int b; {}
      41  void f12(volatile int, const int); /* { dg-warning "prototype for 'f12' follows non-prototype definition" } */
      42  
      43  void f13(a) const int a[2][2]; {} /* { dg-message "note: previous definition of 'f13'" "note" } */
      44  void f13(volatile int [2][2]); /* { dg-error "prototype for 'f13' declares argument 1 with incompatible type" } */