https://bugs.kde.org/show_bug.cgi?id=490520

--- Comment #4 from Vedant Paranjape <vedant.paranj...@amd.com> ---
(In reply to Paul Floyd from comment #3)
> I've been using LLVM compilers for several years without any issues.
> 
> Are you seeing configure passing this test:
> 
> # does the x86/amd64 assembler understand the LOOPNEL instruction?
> # Note, this doesn't generate a C-level symbol.  It generates a
> # automake-level symbol (BUILD_LOOPNEL_TESTS), used in test Makefile.am's
> AC_MSG_CHECKING([if x86/amd64 assembler supports 'loopnel'])
> 
> AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
>   do {
>       __asm__ __volatile__("1:  loopnel 1b\n");
>   } while (0)
> ]])], [
>   ac_have_as_loopnel=yes
>   AC_MSG_RESULT([yes])
> ], [
>   ac_have_as_loopnel=no
>   AC_MSG_RESULT([no])
> ])
> 
> AM_CONDITIONAL([BUILD_LOOPNEL_TESTS], [test x$ac_have_as_loopnel = xyes])
> 
> and hence none/tests/amd64/Makefile gets a rule to build the loopnel test,
> but then "make check" fails to build the loopnel testcase?

Yes you are right, that should not have gotten through. Let me check again,
maybe I am missing something.

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