[Bug 278320] clang fails on the port sc ience/dynare (version 5.4): Assertion failed: (idx < size()), function operator[], file /u sr/local/poudriere/jails/main-amd64/usr/src/c ontrib/llvm-project/llvm/include/llvm/ADT/Sma llVector.h, line 304

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=278320

--- Comment #3 from commit-hook@FreeBSD.org ---
A commit in branch main references this bug:

URL:
https://cgit.FreeBSD.org/src/commit/?id=514c98ba14a0f590891844d1a6bec0ac4de54489

commit 514c98ba14a0f590891844d1a6bec0ac4de54489
Author:     Dimitry Andric <dim@FreeBSD.org>
AuthorDate: 2024-04-15 16:24:39 +0000
Commit:     Dimitry Andric <dim@FreeBSD.org>
CommitDate: 2024-04-15 16:30:29 +0000

    Merge commit 37b7207651b4 from llvm-project (by zhongyunde@huawei.com):

      [SimplifyCFG] Fix crash when there is unreachable large index (#88616)

      The large case index out of scope is dead code, but it is still be
      created for TableContents in SwitchLookupTable::SwitchLookupTable,
      so make sure the table size after growing should not get smaller.

      Fix https://github.com/llvm/llvm-project/issues/88607

    This should fix "Assertion failed: (idx < size()), function operator[]"
    when building the science/dynare port.

    PR:             276104, 278320
    Reported by:    yuri
    MFC after:      1 month

 contrib/llvm-project/llvm/lib/Transforms/Utils/SimplifyCFG.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

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