Hi,

GCC has the same -fstack-check option, just not enabled by default. Maybe if we can show the same happens with gcc if that is enabled that would help...

Chris

On 08/11/2019 12:53 pm, Jack Howarth wrote:
FYI, I got this back on my radar about gmp still being broken in Xcode 11.2...

Engineering has provided the following information regarding this issue:
It sounds like gmp has a memory corruption issue which -fstack-check has uncovered.  We suggest filing a bug with the developers of gmp.

For course, the upstream gmp developer constantly rants about how broken clang is so he will probably just blame the llvm developers for the breakage.
     Jack

On Fri, Nov 1, 2019 at 5:09 AM Jack Howarth <[email protected] <mailto:[email protected]>> wrote:

    The issues in gmp might not be fixed in Xcode 11.2. The exact issue
    isn't listed in the current gmp Portfile but 'sudo port test gmp'
    shows...

    PASS: bit

    ../../test-driver: line 107: 63647 Segmentation fault: 11  "$@" >
    $log_file 2>&1

    FAIL: t-powm


              Jack

    On Thu, Oct 31, 2019 at 10:51 PM Ryan Schmidt
    <[email protected] <mailto:[email protected]>> wrote:



        On Oct 31, 2019, at 20:34, Joshua Root wrote:

         > On 2019-11-1 11:49 , Jack Howarth wrote:
         >>      Although it wasn't fixed in Xcode 11.2 beta 2, the
        -fcheck-stack
         >> issues with OpenBLAS's test suite are fixed in the final
        Xcode 11.2
         >> released today.
         >>          Jack
         >
         > Good to hear. Ryan, could you please update Xcode on the Catalina
         > buildslave ASAP?

        Got it. It will be easier to wait until the portbuilder queue is
        empty. I'll try to pause it and update it before it goes on to
        the next batch.

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