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      1 // RUN: %clang_cc1 -emit-llvm %s -o %t
      2 
      3 void f() {
      4   int a;
      5   if (int x=a) ++a; else a=x;
      6   while (int x=a) ++a;
      7   for (; int x=a; --a) ;
      8   switch (int x=0) { }
      9 }
     10