llvm-for-llvmta/tools/clang/test/OpenMP/recovery-crash.cpp

// RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=50 -frecovery-ast %s

void foo(int i) {
#pragma omp target update from(i) device(undef()) // expected-error {{use of undeclared identifier 'undef'}}
}