// RUN: %clang %s -fsanitize=implicit-unsigned-integer-truncation -emit-llvm -g %O0opt -c -o %t.bc // RUN: rm -rf %t.klee-out // RUN: %klee --output-dir=%t.klee-out --emit-all-errors --ubsan-runtime %t.bc 2>&1 | FileCheck %s // RUN: ls %t.klee-out/ | grep .ktest | wc -l | grep 2 // RUN: ls %t.klee-out/ | grep .implicit_truncation.err | wc -l | grep 1 #include "klee/klee.h" unsigned char convert_unsigned_int_to_unsigned_char(unsigned int x) { // CHECK: KLEE: ERROR: {{.*}}runtime/Sanitizer/ubsan/ubsan_handlers.cpp:{{[0-9]+}}: implicit-unsigned-integer-truncation return x; } int main() { unsigned int x; volatile unsigned char result; klee_make_symbolic(&x, sizeof(x), "x"); result = convert_unsigned_int_to_unsigned_char(x); return 0; }