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/* RUN: %clang_cc1 %s -std=c89 -pedantic -fsyntax-only -verify -Wimplicit-function-declaration
*/
void test1() {
{
int i;
i = i + 1;
int j; /* expected-warning {{mixing declarations and code}} */
}
{
__extension__ int i;
i = i + 1;
int j; /* expected-warning {{mixing declarations and code}} */
}
{
int i;
i = i + 1;
__extension__ int j; /* expected-warning {{mixing declarations and code}} */
}
}
long long test2; /* expected-warning {{extension}} */
void test3(int i) {
int A[i]; /* expected-warning {{variable length array}} */
}
int test4 = 0LL; /* expected-warning {{long long}} */
/* PR1999 */
void test5(register);
/* PR2041 */
int *restrict;
int *__restrict; /* expected-error {{expected identifier}} */
/* Implicit int, always ok */
test6() { return 0; }
/* PR2012 */
test7; /* expected-warning {{declaration specifier missing, defaulting to 'int'}} */
void test8(int, x); /* expected-warning {{declaration specifier missing, defaulting to 'int'}} */
typedef int sometype;
int a(sometype, y) {return 0;} /* expected-warning {{declaration specifier missing, defaulting to 'int'}} \
expected-error {{parameter name omitted}}*/
void bar (void *);
void f11 (z) /* expected-error {{may not have 'void' type}} */
void z;
{ bar (&z); }
typedef void T;
void foo(T); /* typedef for void is allowed */
void foo(void) {}
/* PR2759 */
void test10 (int x[*]); /* expected-warning {{variable length arrays are a C99 feature}} */
void test11 (int x[static 4]); /* expected-warning {{static array size is a C99 feature}} */
void test12 (int x[const 4]) { /* expected-warning {{qualifier in array size is a C99 feature}} */
int Y[x[1]]; /* expected-warning {{variable length arrays are a C99 feature}} */
}
/* PR4074 */
struct test13 {
int X[23];
} test13a();
void test13b() {
int a = test13a().X[1]; /* expected-warning {{ISO C90 does not allow subscripting non-lvalue array}} */
int b = 1[test13a().X]; /* expected-warning {{ISO C90 does not allow subscripting non-lvalue array}} */
}
/* Make sure we allow *test14 as a "function designator" */
int test14() { return (&*test14)(); }
int test15[5] = { [2] = 1 }; /* expected-warning {{designated initializers are a C99 feature}} */
extern int printf(__const char *__restrict __format, ...);
/* Warn, but don't suggest typo correction. */
void test16() {
printg("Hello, world!\n"); /* expected-warning {{implicit declaration of function 'printg'}} */
}
struct x { int x,y[]; }; /* expected-warning {{Flexible array members are a C99-specific feature}} */
/* Duplicated type-qualifiers aren't allowed by C90 */
const const int c_i; /* expected-warning {{duplicate 'const' declaration specifier}} */
typedef volatile int vol_int;
volatile vol_int volvol_i; /* expected-warning {{duplicate 'volatile' declaration specifier}} */
typedef volatile vol_int volvol_int; /* expected-warning {{duplicate 'volatile' declaration specifier}} */
const int * const c;
typedef const int CI;
const CI mine1[5][5]; /* expected-warning {{duplicate 'const' declaration specifier}} */
typedef CI array_of_CI[5];
const array_of_CI mine2; /* expected-warning {{duplicate 'const' declaration specifier}} */
typedef CI *array_of_pointer_to_CI[5];
const array_of_pointer_to_CI mine3;
void main() {} /* expected-error {{'main' must return 'int'}} */
long long ll1 = /* expected-warning {{'long long' is an extension when C99 mode is not enabled}} */
-42LL; /* expected-warning {{'long long' is an extension when C99 mode is not enabled}} */
unsigned long long ull1 = /* expected-warning {{'long long' is an extension when C99 mode is not enabled}} */
42ULL; /* expected-warning {{'long long' is an extension when C99 mode is not enabled}} */
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