// RUN: %clang %s -fsanitize=nullability-assign -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 .ptr.err | wc -l | grep 1 #include "klee/klee.h" void nonnull_assign(int *p) { volatile int *_Nonnull local; // CHECK: KLEE: ERROR: {{.*}}runtime/Sanitizer/ubsan/ubsan_handlers.cpp:{{[0-9]+}}: null-pointer-use local = p; } int main() { _Bool null; klee_make_symbolic(&null, sizeof(null), "null"); int local = 0; int *arg = null ? 0x0 : &local; nonnull_assign(arg); return 0; }