1 /* RUN: %clang_cc1 -fsyntax-only -std=c89 -Wimplicit-int %s -verify -Wno-strict-prototypes
2    RUN: %clang_cc1 -fsyntax-only -std=c99 %s -verify=ext -Wno-strict-prototypes
3    RUN: %clang_cc1 -fsyntax-only -std=c2x %s -verify=unsupported
4 */
5 
foo(void)6 foo(void) { /* expected-warning {{type specifier missing, defaults to 'int'}} \
7                ext-warning {{type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int}} \
8                unsupported-error {{a type specifier is required for all declarations}} */
9   return 0;
10 }
11 
12 y;  /* expected-warning {{type specifier missing, defaults to 'int'}} \
13        ext-warning {{type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int}} \
14        unsupported-error {{a type specifier is required for all declarations}} */
15 
16 /* rdar://6131634 */
17 void f((x));  /* expected-warning {{type specifier missing, defaults to 'int'}} \
18                  ext-warning {{type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int}} \
19                  unsupported-error {{a type specifier is required for all declarations}} */
20 
21 /* PR3702 */
22 #define PAD(ms10) { \
23     register i;     \
24 }
25 
26 #define ILPAD() PAD((NROW - tt.tt_row) * 10) /* 1 ms per char */
27 
28 void
h19_insline(n)29 h19_insline(n)  /* ext-warning {{parameter 'n' was not declared, defaults to 'int'; ISO C99 and later do not support implicit int}} \
30                    unsupported-error {{unknown type name 'n'}} */
31 {
32   ILPAD();  /* expected-warning {{type specifier missing, defaults to 'int'}} \
33                ext-warning {{type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int}} \
34                unsupported-error {{a type specifier is required for all declarations}} */
35 
36 }
37 
38 struct foo {
39  __extension__ __attribute__((packed)) x : 4; /* expected-warning {{type specifier missing, defaults to 'int'}} \
40                                                  ext-warning {{type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int}} \
41                                                  unsupported-error {{unknown type name 'x'}} */
42 
43 };
44