compiler-rt/test/ubsan/TestCases/ImplicitConversion/unsigned-integer-truncation-summary.cpp

   1 // RUN: %clangxx -fsanitize=implicit-unsigned-integer-truncation %s -o %t
   2 // RUN: %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-NOTYPE
   3 // RUN: %env_ubsan_opts=report_error_type=1 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-TYPE
   4
   5 #include <stdint.h>
   6
   7 int main() {
   8   uint8_t t0 = (~(uint32_t(0)));
   9   // CHECK-NOTYPE: SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior {{.*}}summary.cpp:[[@LINE-1]]:16
  10   // CHECK-TYPE: SUMMARY: UndefinedBehaviorSanitizer: implicit-unsigned-integer-truncation {{.*}}summary.cpp:[[@LINE-2]]:16
  11   return 0;
  12 }