gcc/testsuite/gcc.dg/declspec-18.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-std=gnu89" } */
   3
   4 static t1 *a;           /* { dg-error "unknown type name 't1'" } */
   5
   6 int z;                  /* { dg-message "previous declaration of 'z'" } */
   7 typedef t2 *z;          /* { dg-error "unknown type name 't2'" } */
   8 /* { dg-error "'z' redeclared " "redeclared" { target *-*-* } 7 } */
   9
  10 extern t3 p1(void);     /* { dg-error "unknown type name 't3'" } */
  11 int p2(const t4 x);     /* { dg-error "unknown type name 't4'" } */
  12 int p3(const t1 x);     /* { dg-error "unknown type name 't1'" } */ /* dup??? */
  13 int p4(t5 (*x)(void));  /* { dg-error "unknown type name 't5'" } */
  14 int p5(t6 *);           /* { dg-error "unknown type name 't6'" } */
  15 int p6(t7 x);           /* { dg-error "unknown type name 't7'" } */
  16 int p7(t8[]);           /* { dg-error "unknown type name 't8'" } */
  17 int p8(int, t9);        /* { dg-error "unknown type name 't9'" } */
  18
  19 struct s {
  20   const t1 a;           /* { dg-error "unknown type name 't1'" } */ /* dup??? */
  21   const t10 b;          /* { dg-error "unknown type name 't10'" } */
  22   int b;                /* { dg-error "duplicate member" } */
  23 };
  24
  25 typeof (z) c1;
  26 typeof (x1) c2;         /* { dg-error "undeclared" "undeclared" } */
  27 typeof (const t11) c3;  /* { dg-error "unknown type name 't11'" } */
  28 typeof (t12 *) c3;      /* { dg-error "unknown type name 't12'" "t12" { xfail *-*-* } } */
  29 /* { dg-bogus "unknown type name 'x1'" unknown"" { target *-*-* } 26 } */
  30 /* { dg-bogus "undeclared" "undeclared" { xfail *-*-* } 28 } */
  31 /* { dg-bogus "expected expression before" "expected" { xfail *-*-* } 28 } */
  32
  33 int recover1;
  34
  35 int s0 = sizeof (z);
  36 int s1 = sizeof (x2);          /* { dg-error "undeclared" "undeclared" } */
  37 int s2 = sizeof (const t13);   /* { dg-error "unknown type name 't13'" } */
  38 int s3 = sizeof (t14 *);       /* { dg-error "unknown type name 't14'" "t14" { xfail *-*-* } } */
  39
  40 int recover2;
  41
  42 /* { dg-bogus "unknown type name 'x2'" "unknown" { target *-*-* } 36 } */
  43 /* { dg-bogus "undeclared" "undeclared" { xfail *-*-* } 38 } */
  44 /* { dg-bogus "expected expression before" "expected" { xfail *-*-* } 38 } */
  45
  46 int a0 = __alignof__ (z);
  47 int a1 = __alignof__ (x3);          /* { dg-error "undeclared" } */
  48 int a2 = __alignof__ (const t15);   /* { dg-error "unknown type name 't15'" } */
  49 int a3 = __alignof__ (t16 *);       /* { dg-error "unknown type name 't16'" "t16" { xfail *-*-* } } */
  50
  51 int recover3;
  52
  53 /* { dg-bogus "unknown type name 'x3'" "" { target *-*-* } 47 } */
  54 /* { dg-bogus "undeclared" "undeclared" { xfail *-*-* } 49 } */
  55 /* { dg-bogus "expected expression before" "expected" { xfail *-*-* } 49 } */
  56
  57
  58 /* Cannot detect (undefd_type *) or (undefd_type (*) because it would
  59    require 3 tokens of lookahead (same as above).  */
  60
  61 const char *f1()
  62 {
  63   return (const t17) "abc";       /* { dg-error "unknown type name 't17'" "t17" } */
  64 /* { dg-bogus "expected" "expected" { target *-*-* } 63 } */
  65 }
  66
  67 const char *f2()
  68 {
  69   return (const t18 *) "abc";     /* { dg-error "unknown type name 't18'" "t18" } */
  70 /* { dg-bogus "expected" "expected" { target *-*-* } 69 } */
  71 }
  72
  73
  74 /* The parser has problems distinguishing semantic and syntactic errors,
  75    so it emits a wrong "expected ')'" error here.  */
  76
  77 void *f3(int x)
  78 {
  79   return (void *) ((void *(*)(t19)) f3);       /* { dg-error "unknown type name 't19'" "t19" } */
  80 /* { dg-bogus "expected" "expected" { xfail *-*-* } 79 } */
  81 }
  82
  83 const void *f4()
  84 {
  85   return &((const t20){1});       /* { dg-error "unknown type name 't20'" } */
  86 /* { dg-bogus "return discards 'const'" "discards" { target *-*-* } 85 } */
  87 /* { dg-bogus "expected" "expected" { target *-*-* } 85 } */
  88 }
  89
  90 int f5(__builtin_va_list ap)
  91 {
  92   int x = __builtin_va_arg (ap, t21);       /* { dg-error "unknown type name 't21'" } */
  93   int y = __builtin_va_arg (ap, const t22); /* { dg-error "unknown type name 't22'" } */
  94 }
  95
  96 int f6(void)
  97 {
  98   return __builtin_offsetof (t23, field); /* { dg-error "unknown type name 't23'" "t23" } */
  99 /* { dg-bogus "request for member" "request" { target *-*-* } 98 } */
 100 }