[llvm-bugs] [Bug 34634] clang crashes on valid code at -O1 and above: Assertion `(I.atEnd() || std::next(I) == def_instr_end()) && "getVRegDef assumes a single definition or no definition"' failed

via llvm-bugs llvm-bugs at lists.llvm.org
Sat Sep 16 02:40:35 PDT 2017


https://bugs.llvm.org/show_bug.cgi?id=34634

Simon Pilgrim <llvm-dev at redking.me.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|FIXED                       |DUPLICATE

--- Comment #5 from Simon Pilgrim <llvm-dev at redking.me.uk> ---
(In reply to Zhendong Su from comment #4)
> (In reply to Davide Italiano from comment #1)
> > I think I've seen a commit reverted recently that could be have been
> > responsible. Zhendong, if you're not on ToT, can you try upgrading and see
> > if that still reproduces? If so, I'll take a look
> 
> It doesn't reproduce anymore with trunk rev. 313398.

The LEA patch committed in rL313343 was reverted in rL313376

*** This bug has been marked as a duplicate of bug 34629 ***

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