[llvm-bugs] [Bug 51592] clang crashes on valid code at -O3 on x86_64-linux-gnu: Assertion `L && L->getHeader() == P->getParent()' failed

via llvm-bugs llvm-bugs at lists.llvm.org
Wed Aug 25 05:10:15 PDT 2021


Sanjay Patel <spatel+llvm at rotateright.com> changed:

           What    |Removed                     |Added
             Status|NEW                         |RESOLVED
         Resolution|---                         |WORKSFORME

--- Comment #3 from Sanjay Patel <spatel+llvm at rotateright.com> ---
I glanced at this yesterday and confirmed that it was crashing on godbolt, but
didn't have time to look further. 

But today it is not crashing on godbolt, so something changed...

I found these recent commits in SCEV (cc @reames) which change functions in the
crash backtrace:

...but I reverted past/to those locally, and I still don't see an assert.

So I'm going to mark this as "works for me", but if this repros on a more
recent build for someone (or someone can see that the bug is only hidden rather
than fixed), please reopen.

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