1 /* PR43651 */
2 /* { dg-do compile } */
3 /* { dg-options "-Wduplicate-decl-specifier" } */
4 
5 typedef const int CT1;
6 #define CT2 const int
7 typedef volatile int VT1;
8 #define VT2 volatile int
9 typedef char *restrict RT1;
10 #define RT2 char *restrict
11 
12 void
foo(void)13 foo (void)
14 {
15   const CT1 x1;
16   const CT2 x2;
17   CT1 const x3;
18   CT2 const x4;
19   const int const x5; /* { dg-warning "duplicate .const." } */
20   const int *const x6;
21   volatile VT1 y1;
22   volatile VT2 y2;
23   VT1 volatile y3;
24   VT2 volatile y4;
25   volatile int volatile y5; /* { dg-warning "duplicate .volatile." } */
26   volatile int *volatile y6;
27   RT1 restrict r1;
28   RT2 restrict r2;
29   restrict RT1 r3;
30   /* "restrict RT2" is invalid */
31   char *restrict restrict r4; /* { dg-warning "duplicate .restrict." } */
32   char *restrict *restrict r5;
33 }
34 
c1(const CT1 t)35 void c1(const CT1 t) { }
c2(const CT2 t)36 void c2(const CT2 t) { }
c3(CT1 const t)37 void c3(CT1 const t) { }
c4(CT2 const t)38 void c4(CT2 const t) { }
c5(const int const t)39 void c5(const int const t) { }  /* { dg-warning "duplicate .const." } */
v1(volatile VT1 t)40 void v1(volatile VT1 t) { }
v2(volatile VT2 t)41 void v2(volatile VT2 t) { }
v3(VT1 volatile t)42 void v3(VT1 volatile t) { }
v4(VT2 volatile t)43 void v4(VT2 volatile t) { }
v5(volatile int volatile t)44 void v5(volatile int volatile t) { } /* { dg-warning "duplicate .volatile." } */
r1(restrict RT1 t)45 void r1(restrict RT1 t) { }
r2(RT1 restrict t)46 void r2(RT1 restrict t) { }
r3(RT2 restrict t)47 void r3(RT2 restrict t) { }
r4(char * restrict restrict t)48 void r4(char *restrict restrict t) { }  /* { dg-warning "duplicate .restrict." } */
49 
50 typedef const CT1 CCT1;
51 typedef const CT2 CCT2;
52 typedef CT1 const CT1C;
53 typedef CT2 const CT2C;
54 typedef const int const CIC;    /* { dg-warning "duplicate .const." } */
55 typedef volatile VT1 VVT1;
56 typedef volatile VT2 VVT2;
57 typedef VT1 volatile VT1V;
58 typedef VT2 volatile VT2V;
59 typedef volatile int volatile VIV; /* { dg-warning "duplicate .volatile." } */
60 typedef RT1 restrict RT1R;
61 typedef RT2 restrict RT2R;
62 typedef restrict RT1 RRT1;
63 typedef int *restrict restrict IRR; /* { dg-warning "duplicate .restrict." } */
64