1// RUN: %clang -fsanitize=implicit-signed-integer-truncation,implicit-integer-sign-change %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK
2
3#include <stdint.h>
4
5int main() {
6// CHECK-NOT: implicit-conversion
7
8 // Explicitly casting hides it,
9 int8_t n0 = (int8_t)((uint32_t)-1);
10
11 // Positive tests.
12 int8_t t0 = (uint32_t)-1;
13// CHECK: implicit-conversion by 0x{{[[:xdigit:]]+$}}
14// CHECK-NOT: implicit-conversion
15
16 return 0;
17}
18

source code of compiler-rt/test/ubsan_minimal/TestCases/implicit-signed-integer-truncation-or-sign-change.c