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April 09, 2009
[Issue 2823] New: -w switch breaks CTFE

          Summary: -w switch breaks CTFE
          Product: D
          Version: 2.027
         Platform: PC
       OS/Version: Windows
           Status: NEW
         Keywords: rejects-valid
         Severity: normal
         Priority: P2
        Component: DMD

module Test;
import std.stdio;

int main()
 writeln("should not be -1: ",a(-1));
 return 0;

short a(short b) pure nothrow
 { return b>>>1; }

static assert(a(-1)==-1);

>\dev\dmd\bin\dmd tmp.d -I.. -oftmp.exe -w
warning - tmp.d(32): Error: implicit conversion of expression (cast(int)b >>>
1) of type int to short can cause loss of data
tmp.d(43): Error: cannot evaluate a(cast(short)-1) at compile time
tmp.d(43): Error: static assert  (cast(int)a(cast(short)-1) == -1) is not
evaluatable at compile time

'tmp' is not recognized as an internal or external command,
operable program or batch file.

>\dev\dmd\bin\dmd tmp.d -I.. -oftmp.exe

should not be -1: -1

July 10, 2009
[Issue 2823] -w switch breaks CTFE

Don <> changed:

          What    |Removed                     |Added
            Status|NEW                         |RESOLVED
                CC|                            |
        Resolution|                            |FIXED

--- Comment #1 from Don <>  2009-07-10 08:00:53 PDT ---
In DMD2.031, CTFE and -w no longer makes any difference to the behaviour: it
now _always_ generates an error.

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