Static foreach pull request

[Guillaume Boucher via Digitalmars-d]

On Tuesday, 9 May 2017 at 03:06:37 UTC, Timon Gehr wrote:
> If you are interested in static foreach making it into the 
> language, please play with the implementation and tell me how 
> to break it.

Code:

void main() {
	void f() { idonotexist(); }
	static foreach(j;0..0) {
		f();
	}
}


Output:

test_staticforeach.d(3): Error: undefined identifier 'idonotexist'
Statement::blockExit(0x7f38d5cd35e0)
static foreach (j; __error)
{
f();
}

core.exception.AssertError at ddmd/blockexit.d(90): Assertion failure
----------------
??:? _d_assertp [0x72e590]
??:? _ZN9blockExit9BlockExit5visitEP9Statement [0x637bd0]
??:? _ZN7Visitor5visitEP22StaticForeachStatement [0x625b45]
??:? _ZN22StaticForeachStatement6acceptEP7Visitor [0x61ebf8]
??:? int ddmd.blockexit.blockExit(ddmd.statement.Statement, 
ddmd.func.FuncDeclaration, bool) [0x637b69]
??:? _ZN9blockExit9BlockExit5visitEP17CompoundStatement [0x637ef9]
??:? _ZN17CompoundStatement6acceptEP7Visitor [0x61dc61]
??:? int ddmd.blockexit.blockExit(ddmd.statement.Statement, 
ddmd.func.FuncDeclaration, bool) [0x637b69]
??:? _ZN15FuncDeclaration9semantic3EP5Scope [0x5bba3d]
??:? _ZN6Module9semantic3EP5Scope [0x563f31]
??:? int ddmd.mars.tryMain(ulong, const(char)**) [0x5e2b46]
??:? _Dmain [0x5e3a12]
??:? 
_D2rt6dmain211_d_run_mainUiPPaPUAAaZiZ6runAllMFZ9__lambda1MFNlZv 
[0x7301da]
??:? scope void rt.dmain2._d_run_main(int, char**, extern (C) int 
function(char[][])*).tryExec(scope void delegate()) [0x730124]
??:? scope void rt.dmain2._d_run_main(int, char**, extern (C) int 
function(char[][])*).runAll() [0x730196]
??:? scope void rt.dmain2._d_run_main(int, char**, extern (C) int 
function(char[][])*).tryExec(scope void delegate()) [0x730124]
??:? _d_run_main [0x7300a2]
??:? main [0x5e411f]
??:? __libc_start_main [0xd4999510]