Why C++ compiles slowly

[bearophile]

Jacob Carlborg:
> According to the ABI pure should already be in the mangled name (don't 
> know if dmd follows that though). The mangled form looks like this:
> 
> FuncAttrPure:
>      Na

Yes, it's there:

import std.c.stdio: printf;
int function1(int x) {
    return x * 2;
}
pure int function2(int x) {
    return x * 2;
}
void main() {
    printf("%d\n", function1(10));
    printf("%d\n", function2(10));
}


_D5test29function1FiZi	comdat
		enter	4,0
		add	EAX,EAX
		leave
		ret

_D5test29function2FNaiZi	comdat
	assume	CS:_D5test29function2FNaiZi
		enter	4,0
		add	EAX,EAX
		leave
		ret

Bye,
bearophile