[llvm-bugs] [Bug 33136] New: [ARM] libc++ fails with bad_cast on ARM
llvm-bugs at lists.llvm.org
Tue May 23 02:41:47 PDT 2017
Bug ID: 33136
Summary: [ARM] libc++ fails with bad_cast on ARM
Component: All Bugs
Assignee: unassignedclangbugs at nondot.org
Reporter: renato.golin at linaro.org
CC: llvm-bugs at lists.llvm.org, mclow.lists at gmail.com
We have around 150 failures on ARM when building libc++/libc++abi/libunwind and
running the LIT tests from "ninja check-all". Attached is a way to reproduce
using Clang 3.8 as the compiler (breaks with current trunk, too, in the same
Apart from the bad_cast problem, there's also the issue that the libc++ tests
are being compiled with the system compiler (which happens to be clang 3.8),
but to be in line with other tests, it should actually pick the fresh in-tree
Attached is a tarball with the script, sources, includes and libraries needed
to make that work locally. It should be reproducible with any Clang, and I
believe with any GCC, too.
I haven't tested on QEMU, but this happens in every ARM board I have ever
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