[Bug 200362] clang crash in buildkernel

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Thu May 21 18:11:14 UTC 2015


Dimitry Andric <dim at FreeBSD.org> changed:

           What    |Removed                     |Added
             Status|New                         |In Progress

--- Comment #4 from Dimitry Andric <dim at FreeBSD.org> ---
Reproduced and filed upstream here: http://llvm.org/PR23621

The problem is that several .comm symbols get defined multiple times, with the
same name.  Apparently the clang MC assembler has an assertion for this.

As a workaround, you can either try to ensure the .comm symbols all have unique
names, or use the -no-integrated-as flag, to use the GNU assembler, which
apparently just ignores the duplicated .comm symbols.

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