llvm-project/clang/test/Analysis/inline4.c

// RUN: %clang_cc1 -analyze -analyzer-checker=core -verify %s
// expected-no-diagnostics

int g(int a) {    
  return a;
}

int f(int a) {
  // Do not remove block-level expression bindings of caller when analyzing 
  // in the callee.
  if (1 && g(a)) // The binding of '1 && g(a)' which is an UndefinedVal 
                 // carries important information.
    return 1;
  return 0;
}