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 
11 char ((((*X))));
12 
13 void (*signal(int, void (*)(int)))(int);
14 
15 int aaaa, ***C, * const D, B(int);
16 
17 int *A;
18 
19 struct str;
20 
21 void test2(int *P, int A) {
22   struct str;
23 
24   // Hard case for array decl, not Array[*].
25   int Array[*(int*)P+A];
26 }
27 
28 typedef int atype;
29 void test3(x,
30            atype         /* expected-error {{unexpected type name 'atype': expected identifier}} */
31           ) int x, atype; {}
32 
33 void test4(x, x) int x; {} /* expected-error {{redefinition of parameter 'x'}} */
34 
35 
36 // PR3031
37 int (test5), ;  // expected-error {{expected identifier or '('}}
38 
39 
40 
41 // PR3963 & rdar://6759604 - test error recovery for mistyped "typenames".
42 
43 foo_t *d;      // expected-error {{unknown type name 'foo_t'}}
44 foo_t a;   // expected-error {{unknown type name 'foo_t'}}
45 int test6() { return a; }  // a should be declared.
46 
47 // Use of tagged type without tag. rdar://6783347
48 struct xyz { int y; };
49 enum myenum { ASDFAS };
50 xyz b;         // expected-error {{must use 'struct' tag to refer to type 'xyz'}}
51 myenum c;      // expected-error {{must use 'enum' tag to refer to type 'myenum'}}
52 
53 float *test7() {
54   // We should recover 'b' by parsing it with a valid type of "struct xyz", which
55   // allows us to diagnose other bad things done with y, such as this.
56   return &b.y;   // expected-warning {{incompatible pointer types returning 'int *' from a function with result type 'float *'}}
57 }
58 
59 struct xyz test8() { return a; }  // a should be be marked invalid, no diag.
60 
61 
62 // Verify that implicit int still works.
63 static f;      // expected-warning {{type specifier missing, defaults to 'int'}}
64 static g = 4;  // expected-warning {{type specifier missing, defaults to 'int'}}
65 static h        // expected-warning {{type specifier missing, defaults to 'int'}}
66       __asm__("foo");
67 
68 
69 struct test9 {
70   int x  // expected-error {{expected ';' at end of declaration list}}
71   int y;
72   int z  // expected-warning {{expected ';' at end of declaration list}}
73 };
74 
75 // PR6208
76 struct test10 { int a; } static test10x;
77 struct test11 { int a; } const test11x;
78 
79 // PR6216
80 void test12() {
81   (void)__builtin_offsetof(struct { char c; int i; }, i);
82 }
83 
84 // rdar://7608537
85 struct test13 { int a; } (test13x);
86 
87 // <rdar://problem/8044088>
88 struct X<foo::int> { }; // expected-error{{expected identifier or '('}}
89 
90 
91 // PR7617 - error recovery on missing ;.
92 
93 void test14()  // expected-error {{expected ';' after top level declarator}}
94 
95 void test14a();
96 void *test14b = (void*)test14a; // Make sure test14a didn't get skipped.
97 
98 // rdar://problem/8358508
99 long struct X { int x; } test15(); // expected-error {{'long struct' is invalid}}
100 
101 void test16(i) int i j; { } // expected-error {{expected ';' at end of declaration}}
102 void test17(i, j) int i, j k; { } // expected-error {{expected ';' at end of declaration}}
103 
104 
105 // PR12595
106 void test18() {
107   int x = 4+(5-12));  // expected-error {{extraneous ')' before ';'}}
108 }
109 
110 enum E1 { e1 }: // expected-error {{expected ';'}}
111 struct EnumBitfield { // expected-warning {{struct without named members is a GNU extension}}
112   enum E2 { e2 } : 4; // ok
113   struct S { int n; }: // expected-error {{expected ';'}}
114 
115 };
116