http://llvm.org/bugs/show_bug.cgi?id=8541
Summary: Clang miscompiles libgcc's unwind-dw2.c
Product: clang
Version: 2.8
Platform: PC
OS/Version: FreeBSD
Status: NEW
Severity: normal
Priority: P
Component: LLVM Codegen
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
FreeBSD HEAD is currently shipped with this version of clang:
$ clang --version
FreeBSD clang version 2.8 (tags/RELEASE_28 115870) 20101007
In this thread, it is reported that OpenOffice crashes when libgcc_s.so.1 is
built with this version of Clang:
http://lists.freebsd.org/pipermail/freebsd-current/2010-November/020843.html
It turns out that this is due to some kind of miscompilation of unwind-dw2.c.
This is our version of unwind-dw2.c:
http://svn.freebsd.org/viewvc/base/head/contrib/gcc/unwind-dw2.c?view=markup
Although I realize this bug report may be too incomplete to be useful, but I'd
rather stick it here in Bugzilla to prevent it from getting lost.
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