Bug#866369: gdc unittest fails to build on ARM32

[Iain Buclaw <ibuclaw@gdcproject.org>]

On 29 June 2017 at 10:44, Matthias Klose <doko@debian.org> wrote:
> Package: src:gcc-7
> Version: 7.1.0-7
>
> full build log at
> https://buildd.debian.org/status/fetch.php?pkg=gcc-7&arch=armel&ver=7.1.0-7&stamp=1498249793&raw=0
>
> ../../../../src/libphobos/src/std/math.d:4971:5: warning: statement is not reachable
>      void ensureDefaults()
>      ^
> ../../../../src/libphobos/src/std/math.d:4979:5: warning: statement is not reachable
>      {
>      ^
> ../../../../src/libphobos/src/std/math.d:4982:5: warning: statement is not reachable
>      ensureDefaults();
>      ^
> ../../../../src/libphobos/src/std/math.d:4984:5: warning: statement is not reachable
>      {
>      ^
> ../../../../src/libphobos/src/std/math.d:4989:5: warning: statement is not reachable
>      ensureDefaults();
>      ^
> ../../../../src/libphobos/src/std/math.d:4991:5: warning: statement is not reachable
>      if(FloatingPointControl.hasExceptionTraps)
>      ^
> ../../../../src/libphobos/src/std/math.d:5003:5: warning: statement is not reachable
>      ensureDefaults();
>      ^
> ../../../../src/libphobos/src/std/math.d:5643:32: error: cannot take address of
> local x in @safe function __unittestL5638_68
>          auto xl = *cast(ulong*)&x;
>                                 ^
> test disabled on ARM, see bug 5628
> Makefile:1804: recipe for target 'std/math.t.lo' failed
> make[6]: *** [std/math.t.lo] Error 1

Thanks.

Looks like this is the second time upstream have mechanically added
@safe to this unittest.

https://github.com/dlang/phobos/pull/5524

Hopefully they will heed to my warning and not repeat the mistake a
third time. :-)

Also, I should really set-up my own ARM CI very soon.  Maybe the same
for all crosses you build.

Iain.