llvm-project/clang/test/Analysis/rdar-6541136-region.c

20 lines
585 B
C

// RUN: clang -verify -analyze -checker-cfref -analyzer-store-region %s
struct tea_cheese { unsigned magic; };
typedef struct tea_cheese kernel_tea_cheese_t;
extern kernel_tea_cheese_t _wonky_gesticulate_cheese;
// This test case exercises the ElementRegion::getRValueType() logic.
void foo( void )
{
kernel_tea_cheese_t *wonky = &_wonky_gesticulate_cheese;
struct load_wine *cmd = (void*) &wonky[1];
cmd = cmd;
char *p = (void*) &wonky[1];
*p = 1;
kernel_tea_cheese_t *q = &wonky[1];
kernel_tea_cheese_t r = *q; // expected-warning{{out-of-bound memory position}}
}