1*0a6a1f1dSLionel Sambuc // RUN: %clang_cc1 -triple x86_64-unknown-unknown -fsyntax-only -Wcast-qual -verify %s 2*0a6a1f1dSLionel Sambuc 3*0a6a1f1dSLionel Sambuc #include <stdint.h> 4*0a6a1f1dSLionel Sambuc foo()5*0a6a1f1dSLionel Sambucvoid foo() { 6*0a6a1f1dSLionel Sambuc const char * const ptr = 0; 7*0a6a1f1dSLionel Sambuc const char * const *ptrptr = 0; 8*0a6a1f1dSLionel Sambuc char *y = (char *)ptr; // expected-warning {{cast from 'const char *' to 'char *' drops const qualifier}} 9*0a6a1f1dSLionel Sambuc char **y1 = (char **)ptrptr; // expected-warning {{cast from 'const char *const' to 'char *' drops const qualifier}} 10*0a6a1f1dSLionel Sambuc const char **y2 = (const char **)ptrptr; // expected-warning {{cast from 'const char *const *' to 'const char **' drops const qualifier}} 11*0a6a1f1dSLionel Sambuc 12*0a6a1f1dSLionel Sambuc char *z = (char *)(uintptr_t)(const void *)ptr; // no warning 13*0a6a1f1dSLionel Sambuc char *z1 = (char *)(const void *)ptr; // expected-warning {{cast from 'const void *' to 'char *' drops const qualifier}} 14*0a6a1f1dSLionel Sambuc 15*0a6a1f1dSLionel Sambuc volatile char *vol = 0; 16*0a6a1f1dSLionel Sambuc char *vol2 = (char *)vol; // expected-warning {{cast from 'volatile char *' to 'char *' drops volatile qualifier}} 17*0a6a1f1dSLionel Sambuc const volatile char *volc = 0; 18*0a6a1f1dSLionel Sambuc char *volc2 = (char *)volc; // expected-warning {{cast from 'const volatile char *' to 'char *' drops const and volatile qualifiers}} 19*0a6a1f1dSLionel Sambuc 20*0a6a1f1dSLionel Sambuc int **intptrptr; 21*0a6a1f1dSLionel Sambuc const int **intptrptrc = (const int **)intptrptr; // expected-warning {{cast from 'int **' to 'const int **' must have all intermediate pointers const qualified}} 22*0a6a1f1dSLionel Sambuc volatile int **intptrptrv = (volatile int **)intptrptr; // expected-warning {{cast from 'int **' to 'volatile int **' must have all intermediate pointers const qualified}} 23*0a6a1f1dSLionel Sambuc 24*0a6a1f1dSLionel Sambuc int *intptr; 25*0a6a1f1dSLionel Sambuc const int *intptrc = (const int *)intptr; // no warning 26*0a6a1f1dSLionel Sambuc 27*0a6a1f1dSLionel Sambuc const char **charptrptrc; 28*0a6a1f1dSLionel Sambuc char **charptrptr = (char **)charptrptrc; // expected-warning {{cast from 'const char *' to 'char *' drops const qualifier}} 29*0a6a1f1dSLionel Sambuc } 30