On Wed, 26 Feb 2014, Don Lewis wrote:
On 26 Feb, Michael Butler wrote:
On 02/18/14 12:10, Michael Butler wrote:
Is anyone else seeing firefox failing to install after the clang-3.4
merge? As in xpcshell dumping core ..
An update ..
Recompiling with GCC48 on -current yields the same result. Seems to run
correctly when invoked from the command-line but seg-faults with "errno
= 4" (invalid instruction) from the build
Giving up and using the Linux port .. :-(
I've also seen this problem with clang-3.4 on i386. It looks like a
clang bug to me. Clang is putting ud2 instructions in its output which
are guaranteed to fault when it compiles nsAppRunner.cpp. See
That would seem to indicate that clang believes the source code in
question is exercising a case which is explicitly listed as giving
undefined behavior in the language specification. Presumably that means we
need a C++ language lawyer to look over the code in question.
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