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      1 // RUN: %clangxx_asan -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
      2 
      3 // Test the frexp() interceptor.
      4 
      5 #include <math.h>
      6 #include <stdio.h>
      7 #include <stdlib.h>
      8 int main() {
      9   double x = 3.14;
     10   int *exp = (int*)malloc(sizeof(int));
     11   free(exp);
     12   double y = frexp(x, exp);
     13   // CHECK: use-after-free
     14   // CHECK: SUMMARY
     15   return 0;
     16 }
     17