stack-addr-ps.c revision fab6f220cdbcd7269d8f6e19988774efe0a49983
1// RUN: clang -checker-simple -verify %s 2 3int* f1() { 4 int x = 0; 5 return &x; // expected-warning{{Address of stack memory associated with local variable 'x' returned.}} expected-warning{{address of stack memory associated with local variable 'x' returned}} 6} 7 8int* f2(int y) { 9 return &y; // expected-warning{{Address of stack memory associated with local variable 'y' returned.}} expected-warning{{address of stack memory associated with local variable 'y' returned}} 10} 11 12int* f3(int x, int *y) { 13 int w = 0; 14 15 if (x) 16 y = &w; 17 18 return y; // expected-warning{{Address of stack memory associated with local variable 'w' returned.}} 19} 20 21void* compound_literal(int x, int y) { 22 if (x) 23 return &(unsigned short){((unsigned short)0x22EF)}; // expected-warning{{Address of stack memory}} expected-warning{{braces around scalar initializer}} 24 25 int* array[] = {}; 26 struct s { int z; double y; int w; }; 27 28 if (y) 29 return &((struct s){ 2, 0.4, 5 * 8 }); // expected-warning{{Address of stack memory}} 30 31 32 void* p = &((struct s){ 42, 0.4, x ? 42 : 0 }); 33 return p; 34} 35 36