1*67e74705SXin Li // RUN: %clang_cc1 -triple x86_64-unknown-unknown -fsyntax-only -Wcast-qual -verify %s 2*67e74705SXin Li 3*67e74705SXin Li #include <stdint.h> 4*67e74705SXin Li foo()5*67e74705SXin Livoid foo() { 6*67e74705SXin Li const char * const ptr = 0; 7*67e74705SXin Li const char * const *ptrptr = 0; 8*67e74705SXin Li char *y = (char *)ptr; // expected-warning {{cast from 'const char *' to 'char *' drops const qualifier}} 9*67e74705SXin Li char **y1 = (char **)ptrptr; // expected-warning {{cast from 'const char *const' to 'char *' drops const qualifier}} 10*67e74705SXin Li const char **y2 = (const char **)ptrptr; // expected-warning {{cast from 'const char *const *' to 'const char **' drops const qualifier}} 11*67e74705SXin Li 12*67e74705SXin Li char *z = (char *)(uintptr_t)(const void *)ptr; // no warning 13*67e74705SXin Li char *z1 = (char *)(const void *)ptr; // expected-warning {{cast from 'const void *' to 'char *' drops const qualifier}} 14*67e74705SXin Li 15*67e74705SXin Li volatile char *vol = 0; 16*67e74705SXin Li char *vol2 = (char *)vol; // expected-warning {{cast from 'volatile char *' to 'char *' drops volatile qualifier}} 17*67e74705SXin Li const volatile char *volc = 0; 18*67e74705SXin Li char *volc2 = (char *)volc; // expected-warning {{cast from 'const volatile char *' to 'char *' drops const and volatile qualifiers}} 19*67e74705SXin Li 20*67e74705SXin Li int **intptrptr; 21*67e74705SXin Li const int **intptrptrc = (const int **)intptrptr; // expected-warning {{cast from 'int **' to 'const int **' must have all intermediate pointers const qualified}} 22*67e74705SXin Li volatile int **intptrptrv = (volatile int **)intptrptr; // expected-warning {{cast from 'int **' to 'volatile int **' must have all intermediate pointers const qualified}} 23*67e74705SXin Li 24*67e74705SXin Li int *intptr; 25*67e74705SXin Li const int *intptrc = (const int *)intptr; // no warning 26*67e74705SXin Li 27*67e74705SXin Li const char **charptrptrc; 28*67e74705SXin Li char **charptrptr = (char **)charptrptrc; // expected-warning {{cast from 'const char *' to 'char *' drops const qualifier}} 29*67e74705SXin Li } 30