Hello world doesn't compile on -O3 or higher #18
Description
Hello world program:
import std.stdio;
void main() {
writeln("Hello, world.");
}
Everything works if I only use -O2 optimization, but:
$ ldc2 -O3 test.d
/usr/local/include/d/phobos/std/math.d(327): Error: pure function 'cos' cannot call impure function 'llvm_cos'
/usr/local/include/d/phobos/std/math.d(327): Error: safe function 'cos' cannot call system function 'llvm_cos'
/usr/local/include/d/phobos/std/math.d(327): Error: llvm_cos is not nothrow
/usr/local/include/d/phobos/std/math.d(325): Error: function std.math.cos 'cos' is nothrow yet may throw