> On 22 Dec 2017, at 15:05, Richard Frith-Macdonald
> <[email protected]> wrote:
>
>
> I then checked that both NSThread.m and NSGraphicsContext.m were compiled by
> clang with -D_NONFRAGILE_ABI=1 and -fobjc-runtime=gnustep-1.8
>
> On a hunch, I looked at the ivar layout in NSThread and swapped the order of
> _gcontext and _autorelease_vars ... after rebuilding with the id before the
> struct rather than after it, the GUI testcases passed.
> Reverting to the original order of ivars and rebuilding again ... the
> testcases failed again.
>
> I think that's a possible indication of a bug in the compiler/runtime
> nonfragile API support; it looks as if there may be an inconsistency in
> calculating the size of a structure used as an ivar.
I tried a look at libobc2 ... starting with 'make test':
The following tests FAILED:
9 - BlockImpTest (SEGFAULT)
10 - BlockImpTest_optimised (SEGFAULT)
39 - WeakReferences_arc (OTHER_FAULT)
40 - WeakReferences_arc_optimised (OTHER_FAULT)
Now, none of those sound like they would be relevant, but it does make me
wonder if there's something with the build of the runtime that migth be causing
this.
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