On 21.10.2010 01:43, Nick Lewycky wrote:
Package: g++-4.4 Version: 4.4.5-4 Severity: normal This version of gcc has a bug where code that does a shift-right by literal one may be miscompiled, even at -O0. This is breaking my build of llvm and even a gcc bootstrap.
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Fortunately, there's an unintrusive patch for the problem: http://gcc.gnu.org/ml/gcc-patches/2010-09/msg01070.html which has already been accepted into gcc head, but I didn't see it get applied to the release branches. Please add this patch as a debian-local change.
when does this trigger? the testcase succeeds in the debian builds og gcc-4.4 and gcc-4.5, and llvm-2.7 did build too.