File: longjmp.cpp

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llvm-toolchain-18 1%3A18.1.8-18
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// RUN: %clang_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s

#include <stdio.h>
#include <stdlib.h>
#include <setjmp.h>

int foo(jmp_buf env) {
  longjmp(env, 42);
}

int main() {
  jmp_buf env;
  if (setjmp(env) == 42) {
    fprintf(stderr, "JUMPED\n");
    return 0;
  }
  foo(env);
  fprintf(stderr, "FAILED\n");
  return 0;
}

// CHECK-NOT: FAILED
// CHECK: JUMPED