1 // RUN: %clang_cc1 %s -fsyntax-only -verify -pedantic
2 
3 extern int a1[];
4 
5 void f0();
6 void f1(int [*]);
7 void f2(int [const *]);
8 void f3(int [volatile const*]);
9 int f4(*XX)(void); /* expected-error {{cannot return}} expected-warning {{type specifier missing, defaults to 'int'}} */
10 int f5(int [static]); /* expected-error {{'static' may not be used without an array size}} */
11 
12 char ((((*X))));
13 
14 void (*signal(int, void (*)(int)))(int);
15 
16 int aaaa, ***C, * const D, B(int);
17 
18 int *A;
19 
20 struct str;
21 
test2(int * P,int A)22 void test2(int *P, int A) {
23   struct str;
24 
25   // Hard case for array decl, not Array[*].
26   int Array[*(int*)P+A];
27 }
28 
29 typedef int atype;
test3(x,atype)30 void test3(x,
31            atype         /* expected-error {{unexpected type name 'atype': expected identifier}} */
32           ) int x, atype; {}
33 
test4(x,x)34 void test4(x, x) int x; {} /* expected-error {{redefinition of parameter 'x'}} */
35 
36 
37 // PR3031
38 int (test5), ;  // expected-error {{expected identifier or '('}}
39 
40 
41 
42 // PR3963 & rdar://6759604 - test error recovery for mistyped "typenames".
43 
44 foo_t *d;      // expected-error {{unknown type name 'foo_t'}}
45 foo_t a;   // expected-error {{unknown type name 'foo_t'}}
test6()46 int test6() { return a; }  // a should be declared.
47 
48 // Use of tagged type without tag. rdar://6783347
49 struct xyz { int y; };
50 enum myenum { ASDFAS };
51 xyz b;         // expected-error {{must use 'struct' tag to refer to type 'xyz'}}
52 myenum c;      // expected-error {{must use 'enum' tag to refer to type 'myenum'}}
53 
test7()54 float *test7() {
55   // We should recover 'b' by parsing it with a valid type of "struct xyz", which
56   // allows us to diagnose other bad things done with y, such as this.
57   return &b.y;   // expected-warning {{incompatible pointer types returning 'int *' from a function with result type 'float *'}}
58 }
59 
test8()60 struct xyz test8() { return a; }  // a should be be marked invalid, no diag.
61 
62 
63 // Verify that implicit int still works.
64 static f;      // expected-warning {{type specifier missing, defaults to 'int'}}
65 static g = 4;  // expected-warning {{type specifier missing, defaults to 'int'}}
66 static h        // expected-warning {{type specifier missing, defaults to 'int'}}
67       __asm__("foo");
68 
69 
70 struct test9 {
71   int x  // expected-error {{expected ';' at end of declaration list}}
72   int y;
73   int z  // expected-warning {{expected ';' at end of declaration list}}
74 };
75 
76 // PR6208
77 struct test10 { int a; } static test10x;
78 struct test11 { int a; } const test11x;
79 
80 // PR6216
test12()81 void test12() {
82   (void)__builtin_offsetof(struct { char c; int i; }, i);
83 }
84 
85 // rdar://7608537
86 struct test13 { int a; } (test13x);
87 
88 // <rdar://problem/8044088>
89 struct X<foo::int> { }; // expected-error{{expected identifier or '('}}
90 
91 
92 // PR7617 - error recovery on missing ;.
93 
94 void test14()  // expected-error {{expected ';' after top level declarator}}
95 
96 void test14a();
97 void *test14b = (void*)test14a; // Make sure test14a didn't get skipped.
98 
99 // rdar://problem/8358508
100 long struct X { int x; } test15(); // expected-error {{'long struct' is invalid}}
101 
102 void test16(i) int i j; { } // expected-error {{expected ';' at end of declaration}}
103 void test17(i, j) int i, j k; { } // expected-error {{expected ';' at end of declaration}}
104 void knrNoSemi(i) int i { } // expected-error {{expected ';' at end of declaration}}
105 
106 
107 // PR12595
108 void test18() {
109   int x = 4+(5-12));  // expected-error {{extraneous ')' before ';'}}
110 }
111 
112 enum E1 { e1 }: // expected-error {{expected ';'}}
113 struct EnumBitfield { // expected-warning {{struct without named members is a GNU extension}}
114   enum E2 { e2 } : 4; // ok
115   struct S { int n; }: // expected-error {{expected ';'}}
116                        // expected-warning@-1 {{declaration does not declare anything}}
117 
118 };
119 
120 // PR10982
121 enum E11 {
122   A1 = 1,
123 };
124 
125 enum E12 {
126   ,  // expected-error{{expected identifier}}
127   A2
128 };
129 void func_E12(enum E12 *p) { *p = A2; }
130 
131 enum E13 {
132   1D,  // expected-error{{expected identifier}}
133   A3
134 };
135 void func_E13(enum E13 *p) { *p = A3; }
136 
137 enum E14 {
138   A4 12,  // expected-error{{expected '= constant-expression' or end of enumerator definition}}
139   A4a
140 };
141 void func_E14(enum E14 *p) { *p = A4a; }
142 
143 enum E15 {
144   A5=12 4,  // expected-error{{expected '}' or ','}}
145   A5a
146 };
147 void func_E15(enum E15 *p) { *p = A5a; }
148 
149 enum E16 {
150   A6;  // expected-error{{expected '= constant-expression' or end of enumerator definition}}
151   A6a
152 };
153 
154 int PR20634 = sizeof(struct { int n; } [5]);
155