foo.cc: In function 'void move(int*, int, int)':
foo.cc:8:7: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
    8 |   if(i=x)
      |      ~^~
foo.cc:9:14: warning: unused variable 'b' [-Wunused-variable]
    9 |          int b=a[i];
      |              ^
foo.cc:14:7: warning: 'b' may be used uninitialized in this function [-Wmaybe-uninitialized]
   14 |   a[1]=b;
      |   ~~~~^~
foo.cc: In function 'int main()':
foo.cc:14:7: warning: 'b' may be used uninitialized in this function [-Wmaybe-uninitialized]
   14 |   a[1]=b;
      |   ~~~~^~
foo.cc:5:6: note: 'b' was declared here
    5 |  int b;
      |      ^

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