126 lines · c
1// RUN: %clang_cc1 %s -verify -fsyntax-only -Wno-strict-prototypes2struct xx { int bitf:1; };3 4struct entry { struct xx *whatever; 5 int value; 6 int bitf:1; };7void add_one(int *p) { (*p)++; }8 9void test(void) {10 register struct entry *p;11 add_one(&p->value);12 struct entry pvalue;13 add_one(&p->bitf); // expected-error {{address of bit-field requested}}14 add_one(&pvalue.bitf); // expected-error {{address of bit-field requested}}15 add_one(&p->whatever->bitf); // expected-error {{address of bit-field requested}}16}17 18void foo(void) {19 register int x[10];20 &x[10]; // expected-error {{address of register variable requested}}21 22 register int *y;23 24 int *x2 = &y; // expected-error {{address of register variable requested}}25 int *x3 = &y[10];26}27 28void testVectorComponentAccess(void) {29 typedef float v4sf __attribute__ ((vector_size (16)));30 static v4sf q;31 float* r = &q[0]; // expected-error {{address of vector element requested}}32}33 34typedef __attribute__(( ext_vector_type(4) )) float float4;35 36float *testExtVectorComponentAccess(float4 x) { 37 return &x.w; // expected-error {{address of vector element requested}}38}39 40void f0(void) {41 register int *x0;42 int *_dummy0 = &(*x0);43 44 register int *x1;45 int *_dummy1 = &(*(x1 + 1));46}47 48void f1(void) {49 register int x0[10];50 int *_dummy00 = x0; // expected-error {{address of register variable requested}}51 int *_dummy01 = &(*x0); // expected-error {{address of register variable requested}}52 53 register int x1[10];54 int *_dummy1 = &(*(x1 + 1)); // expected-error {{address of register variable requested}}55 56 register int *x2;57 int *_dummy2 = &(*(x2 + 1));58 59 register int x3[10][10][10];60 int(*_dummy3)[10] = &x3[0][0]; // expected-error {{address of register variable requested}}61 62 register struct { int f0[10]; } x4;63 int *_dummy4 = &x4.f0[2]; // expected-error {{address of register variable requested}}64 65 add_one(x0); // expected-error {{address of register variable requested}}66 (void)sizeof(x0); // OK, not an array decay.67 68 int *p = ((int *)x0)++; // expected-error {{address of register variable requested}}69}70 71void f2(void) {72 register int *y;73 74 int *_dummy0 = &y; // expected-error {{address of register variable requested}}75 int *_dummy1 = &y[10];76}77 78void f3(void) {79 extern void f4(void);80 void (*_dummy0)(void) = &****f4;81}82 83void f4(void) {84 register _Complex int x;85 86 int *_dummy0 = &__real__ x; // expected-error {{address of register variable requested}}87}88 89void f5(void) {90 register int arr[2];91 92 int *_dummy0 = &(int*) arr; // expected-error {{address of register variable requested}}93 int *_dummy1 = &(arr + 1); // expected-error {{address of register variable requested}}94}95 96void f6(register int x) {97 int * dummy0 = &x; // expected-error {{address of register variable requested}}98}99 100char* f7(void) {101 register struct {char* x;} t1 = {"Hello"};102 char* dummy1 = &(t1.x[0]);103 104 struct {int a : 10; struct{int b : 10;};} t2;105 int* dummy2 = &(t2.a); // expected-error {{address of bit-field requested}}106 int* dummy3 = &(t2.b); // expected-error {{address of bit-field requested}}107 108 void* t3 = &*(void*)0;109}110 111void f8(void) {112 void *dummy0 = &f8(); // expected-error {{cannot take the address of an rvalue of type 'void'}}113 114 extern void v;115 void *dummy1 = &(1 ? v : f8()); // expected-error {{cannot take the address of an rvalue of type 'void'}}116 117 void *dummy2 = &(f8(), v); // expected-error {{cannot take the address of an rvalue of type 'void'}}118 119 void *dummy3 = &({ ; }); // expected-error {{cannot take the address of an rvalue of type 'void'}}120}121 122void f9(void) {123 extern void knr();124 void (*_dummy0)() = &****knr;125}126