compiler-rt/test/asan/TestCases/frexpl_interceptor.cpp

   1 // RUN: %clangxx_asan -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
   2
   3 // Test the frexpl() interceptor.
   4
   5 // FIXME: MinGW-w64 implements `frexpl()` as a static import, so the dynamic
   6 // interceptor seems to not work.
   7 // XFAIL: target={{.*-windows-gnu}}
   8
   9 #include <math.h>
  10 #include <stdio.h>
  11 #include <stdlib.h>
  12 int main() {
  13   long double x = 3.14;
  14   int *exp = (int *)malloc(sizeof(int));
  15   free(exp);
  16   double y = frexpl(x, exp);
  17   // CHECK: use-after-free
  18   // CHECK: SUMMARY
  19   return 0;
  20 }