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fe16ab7e3e
libunwind related patch from David Mosberger * unwind-libunwind.c (_Unwind_SetGR): Clear the NaT bit as required by C++ ABI for Itanium. * config/t-libunwind (LIB2ADDEH): Remove unwind-libunwind.c. * config/t-libunwind-no-eh: New file. * configure.in: Check libunwind for _Unwind_Resume() and if it's present, set libunwind_has_eh_support to "yes". * configure: Regenerate. * config.gcc (ia64*-*-linux*): If $libunwind_has_eh_support is set to yes, use t-libunwind, otherwise, use t-libunwind-no-eh. From-SVN: r74548
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