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      1 // RUN: %clangxx_asan  %s -o %t
      2 // RUN: rm -f %t.log.*
      3 // Set verbosity to 1 so that the log files are opened prior to fork().
      4 // RUN: env ASAN_OPTIONS="log_path=%t.log verbosity=1" not %run %t 2> %t.out
      5 // RUN: for f in %t.log.* ; do FileCheck %s < $f; done
      6 // RUN: [ `ls %t.log.* | wc -l` == 2 ]
      7 
      8 #include <stdlib.h>
      9 #include <string.h>
     10 #include <unistd.h>
     11 
     12 int main(int argc, char **argv) {
     13   void *x = malloc(10);
     14   free(x);
     15   if (fork() == -1) return 1;
     16   // There are two processes at this point, thus there should be two distinct
     17   // error logs.
     18   free(x);
     19   return 0;
     20 }
     21 
     22 // CHECK: ERROR: AddressSanitizer
     23