[Issue 6072] New: [CTFE] Regression(git master): Cannot declare variable inside an 'if' condition
d-bugmail at puremagic.com
d-bugmail at puremagic.com
Sun May 29 03:40:58 PDT 2011
http://d.puremagic.com/issues/show_bug.cgi?id=6072
Summary: [CTFE] Regression(git master): Cannot declare variable
inside an 'if' condition
Product: D
Version: D2
Platform: Other
OS/Version: Mac OS X
Status: NEW
Keywords: rejects-valid
Severity: regression
Priority: P2
Component: DMD
AssignedTo: nobody at puremagic.com
ReportedBy: kennytm at gmail.com
--- Comment #0 from kennytm at gmail.com 2011-05-29 03:36:37 PDT ---
Test case:
---------------
static assert({
if (int x = 5) {}
return true;
}());
void main(){}
---------------
x.d(4): Error: cannot evaluate delegate bool()
{
if (int x = int x = 5;
, x)
{
}
return true;
}
() at compile time
x.d(1): Error: static assert (delegate bool()
{
if (int x = int x = 5;
, x)
{
}
return true;
}
()) is not evaluatable at compile time
---------------
This bug was introduced in commit 269a344 as a fix to bug 3688.
The direct consequence is std.traits.functionAttributes is no longer usable.
------------------
import std.traits;
struct S {
pure int f();
}
enum g = functionAttributes!(S.f);
------------------
/usr/include/phobos/std/traits.d(363): Error: cannot evaluate
demangleFunctionAttributes("NaZi"c) at compile time
------------------
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