[Bug 220184] clang 4.0.0 segfaults on buildworld

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=220184

--- Comment #8 from Dimitry Andric <dim at FreeBSD.org> ---
I cannot reproduce this crash with the sample you provided.  I tried:
* clang 4.0.0 (297347) on FreeBSD 11.1-BETA1 i386 and amd64
* clang 4.0.0 (297347) on FreeBSD 12.0-CURRENT i386 and amd64
* clang 5.0.0 (305575) on FreeBSD 12.0-CURRENT i386 and amd64.

It doesn't use a lot of memory either, roughly 250M max RSS:

        8.37 real         8.19 user         0.16 sys
    249616  maximum resident set size
     48201  average shared memory size
       268  average unshared data size
       249  average unshared stack size
     54447  page reclaims
      6410  page faults
         0  swaps
        32  block input operations
         5  block output operations
         0  messages sent
         0  messages received
         0  signals received
        20  voluntary context switches
       459  involuntary context switches

So memory starvation is pretty unlikely.  I would suspect hardware issues, in
this case.

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