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@jonas-schievink
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Running this test locally segfaults, despite all of the involved code being safe, let's see if that reproduces in CI

Dump of assembler code for function _ZN9coretests6future8test_map17hc8a76af39ef20947E:
   0x0000555555735320 <+0>:     sub    $0x38,%rsp
   0x0000555555735324 <+4>:     movb   $0x0,(%rsp)
   0x0000555555735328 <+8>:     mov    (%rsp),%rax
=> 0x000055555573532c <+12>:    cmpb   $0x0,(%rax)

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rustbot commented May 5, 2023

r? @Mark-Simulacrum

(rustbot has picked a reviewer for you, use r? to override)

@rustbot rustbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-libs Relevant to the library team, which will review and decide on the PR/issue. labels May 5, 2023
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The job mingw-check failed! Check out the build log: (web) (plain)

Click to see the possible cause of the failure (guessed by this bot)
running 1 tests
error: test failed, to rerun pass `-p core --test coretests`

Caused by:
  process didn't exit successfully: `/checkout/obj/build/x86_64-unknown-linux-gnu/stage0-std/x86_64-unknown-linux-gnu/release/deps/coretests-83b4f5795dbae28c --quiet -Z unstable-options --format json` (signal: 11, SIGSEGV: invalid memory reference)

@jonas-schievink
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yeah that's the one

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Filed #111264 for now, might narrow it down further next week

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