alignment-assumption-summary.cpp
648 Bytes
// RUN: %clangxx -fsanitize=alignment %s -o %t
// RUN: %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-NOTYPE
// RUN: %env_ubsan_opts=report_error_type=1 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-TYPE
// REQUIRES: !ubsan-standalone && !ubsan-standalone-static
#include <stdlib.h>
int main(int argc, char* argv[]) {
char *ptr = (char *)malloc(2);
__builtin_assume_aligned(ptr + 1, 0x8000);
// CHECK-NOTYPE: SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior {{.*}}summary.cpp:[[@LINE-1]]:32
// CHECK-TYPE: SUMMARY: UndefinedBehaviorSanitizer: alignment-assumption {{.*}}summary.cpp:[[@LINE-2]]:32
free(ptr);
return 0;
}