/in/foo.cc: In function 'int main()':
/in/foo.cc:6:9: warning: comparison of constant '10' with boolean expression is always true [-Wbool-compare]
 -10^10<a<10^10;
     ~~~~^~~
/in/foo.cc:6:7: warning: comparisons like 'X<=Y<=Z' do not have their mathematical meaning [-Wparentheses]
 -10^10<a<10^10;
     ~~^~
/in/foo.cc:6:9: warning: suggest parentheses around comparison in operand of '^' [-Wparentheses]
 -10^10<a<10^10;
     ~~~~^~~
/in/foo.cc:6:12: warning: statement has no effect [-Wunused-value]
 -10^10<a<10^10;
 ~~~~~~~~~~~^~~
/in/foo.cc:7:9: warning: comparison of constant '10' with boolean expression is always true [-Wbool-compare]
 -10^10<b<10^10;
     ~~~~^~~
/in/foo.cc:7:7: warning: comparisons like 'X<=Y<=Z' do not have their mathematical meaning [-Wparentheses]
 -10^10<b<10^10;
     ~~^~
/in/foo.cc:7:9: warning: suggest parentheses around comparison in operand of '^' [-Wparentheses]
 -10^10<b<10^10;
     ~~~~^~~
/in/foo.cc:7:12: warning: statement has no effect [-Wunused-value]
 -10^10<b<10^10;
 ~~~~~~~~~~~^~~