forked from OSchip/llvm-project
119 lines
3.4 KiB
C
119 lines
3.4 KiB
C
// RUN: %clang_cc1 -pedantic -Wunused-label -verify -x c %s
|
|
// RUN: cp %s %t
|
|
// RUN: not %clang_cc1 -pedantic -Wunused-label -fixit -x c %t
|
|
// RUN: %clang_cc1 -pedantic -Wunused-label -Werror -x c %t
|
|
// RUN: grep -v CHECK %t | FileCheck %t
|
|
|
|
/* This is a test of the various code modification hints that are
|
|
provided as part of warning or extension diagnostics. All of the
|
|
warnings will be fixed by -fixit, and the resulting file should
|
|
compile cleanly with -Werror -pedantic. */
|
|
|
|
// FIXME: FIX-IT should add #include <string.h>?
|
|
int strcmp(const char *s1, const char *s2);
|
|
|
|
void f0(void) { }; // expected-warning {{';'}}
|
|
|
|
struct s {
|
|
int x, y;; // expected-warning {{extra ';'}}
|
|
};
|
|
|
|
// CHECK: _Complex double cd;
|
|
_Complex cd; // expected-warning {{assuming '_Complex double'}}
|
|
|
|
// CHECK: struct s s0 = { .y = 5 };
|
|
struct s s0 = { y: 5 }; // expected-warning {{GNU old-style}}
|
|
|
|
// CHECK: int array0[5] = { [3] = 3 };
|
|
int array0[5] = { [3] 3 }; // expected-warning {{GNU 'missing ='}}
|
|
|
|
// CHECK: int x
|
|
// CHECK: int y
|
|
void f1(x, y) // expected-warning 2{{defaulting to type 'int'}}
|
|
{
|
|
}
|
|
|
|
int i0 = { 17 };
|
|
|
|
#define ONE 1
|
|
#define TWO 2
|
|
|
|
int test_cond(int y, int fooBar) { // expected-note {{here}}
|
|
// CHECK: int x = y ? 1 : 4+fooBar;
|
|
int x = y ? 1 4+foobar; // expected-error {{expected ':'}} expected-error {{undeclared identifier}} expected-note {{to match}}
|
|
// CHECK: x = y ? ONE : TWO;
|
|
x = y ? ONE TWO; // expected-error {{':'}} expected-note {{to match}}
|
|
return x;
|
|
}
|
|
|
|
// CHECK: const typedef int int_t;
|
|
const typedef typedef int int_t; // expected-warning {{duplicate 'typedef'}}
|
|
|
|
// <rdar://problem/7159693>
|
|
enum Color {
|
|
Red // expected-error{{missing ',' between enumerators}}
|
|
Green = 17 // expected-error{{missing ',' between enumerators}}
|
|
Blue,
|
|
};
|
|
|
|
// rdar://9295072
|
|
struct test_struct {
|
|
// CHECK: struct test_struct *struct_ptr;
|
|
test_struct *struct_ptr; // expected-error {{must use 'struct' tag to refer to type 'test_struct'}}
|
|
};
|
|
|
|
void removeUnusedLabels(char c) {
|
|
L0 /*removed comment*/: c++; // expected-warning {{unused label}}
|
|
removeUnusedLabels(c);
|
|
L1: // expected-warning {{unused label}}
|
|
c++;
|
|
/*preserved comment*/ L2 : c++; // expected-warning {{unused label}}
|
|
LL // expected-warning {{unused label}}
|
|
: c++;
|
|
c = c + 3; L4: return; // expected-warning {{unused label}}
|
|
}
|
|
|
|
int oopsAComma = 0, // expected-error {{';'}}
|
|
void oopsMoreCommas(void) {
|
|
static int a[] = { 0, 1, 2 }, // expected-error {{';'}}
|
|
static int b[] = { 3, 4, 5 }, // expected-error {{';'}}
|
|
&a == &b ? oopsMoreCommas() : removeUnusedLabels(a[0]);
|
|
}
|
|
|
|
int commaAtEndOfStatement(void) {
|
|
int a = 1;
|
|
a = 5, // expected-error {{';'}}
|
|
int m = 5, // expected-error {{';'}}
|
|
return 0, // expected-error {{';'}}
|
|
}
|
|
|
|
int noSemiAfterLabel(int n) {
|
|
switch (n) {
|
|
default:
|
|
return n % 4;
|
|
case 0:
|
|
case 1:
|
|
case 2:
|
|
// CHECK: /*FOO*/ case 3: ;
|
|
/*FOO*/ case 3: // expected-error {{expected statement}}
|
|
}
|
|
switch (n) {
|
|
case 1:
|
|
case 2:
|
|
return 0;
|
|
// CHECK: /*BAR*/ default: ;
|
|
/*BAR*/ default: // expected-error {{expected statement}}
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
struct noSemiAfterStruct // expected-error {{expected ';' after struct}}
|
|
struct noSemiAfterStruct {
|
|
int n // expected-warning {{';'}}
|
|
} // expected-error {{expected ';' after struct}}
|
|
enum noSemiAfterEnum {
|
|
e1
|
|
} // expected-error {{expected ';' after enum}}
|
|
|
|
int PR17175 __attribute__((visibility(hidden))); // expected-error {{'visibility' attribute requires a string}}
|