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void func0(bool=false); //ok
void func1(bool=8>=8);  //ok
 
template<bool>struct a{constexpr a(bool){}};
 
a<0> var=0;     //ok
map<int,int> m; //ok
 
void func2(a<0>=8>=8) //fail
{
  #define F(TYPE,NAME)TYPE NAME;
  F(map<int,int>,m); //fail
  #undef F
}
int main(){return 0;}

prog.cpp:12:19: error: macro "F" passed 3 arguments, but takes just 2
   F(map<int,int>,m); //fail
                   ^
prog.cpp:7:1: error: ‘map’ does not name a type
 map<int,int> m; //ok
 ^
prog.cpp:9:18: warning: comparisons like ‘X<=Y<=Z’ do not have their mathematical meaning [-Wparentheses]
 void func2(a<0>=8>=8) //fail
                  ^
prog.cpp:9:12: error: parse error in template argument list
 void func2(a<0>=8>=8) //fail
            ^
prog.cpp: In function ‘void func2(a<false>)’:
prog.cpp:12:3: error: ‘F’ was not declared in this scope
   F(map<int,int>,m); //fail
   ^

Standard output is empty