[Issue 11825] New: An impossible memcpy at CTFE with cartesianProduct.array

[d-bugmail at puremagic.com]

https://d.puremagic.com/issues/show_bug.cgi?id=11825

           Summary: An impossible memcpy at CTFE with
                    cartesianProduct.array
           Product: D
           Version: D2
          Platform: x86
        OS/Version: Windows
            Status: NEW
          Keywords: rejects-valid
          Severity: normal
          Priority: P2
         Component: Phobos
        AssignedTo: nobody at puremagic.com
        ReportedBy: bearophile_hugs at eml.cc


--- Comment #0 from bearophile_hugs at eml.cc 2013-12-26 09:51:27 PST ---
import std.algorithm: cartesianProduct;
import std.array: array;
auto fullDeck = cartesianProduct([1], [2]).array;
void main() {}


DMD 2.065alpha gives me:

..\dmd2\src\phobos\std\conv.d(3880): Error: memcpy cannot be interpreted at
compile time, because it has no available source code
..\dmd2\src\phobos\std\array.d(2409):        called from here:
emplace(&bigData[len], item)
..\dmd2\src\phobos\std\array.d(59):        called from here: a.put(e)
test.d(3):        called from here: array(cartesianProduct([1], [2]))

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