------- Additional Comments From joseph at codesourcery dot com 2005-07-03 13:54 ------- Subject: Re: [4.1 Regression] Many C++ testsuite failures
On Sun, 3 Jul 2005, jakub at redhat dot com wrote: > Ok, I can now reproduce the g++.dg/eh/cond1.C failure with trunk GCC. > It works well when run against 4.0 libstdc++.so, or 20050625 HEAD one > (but in that case built with the -fstack-protector patch in). > Now, g++ 4.0 compiled/linked g++.dg/eh/cond1 also works when run against 4.0 > libstdc++.so, or 20050625 HEAD one, but segfaults when using 20050703 HEAD > libstdc++.so (FYI, libgcc_s exact version doesn't matter). > cond1.s compiled by 20050703 HEAD and 4.0 is in fact identical except > .ident and COMDAT section names. > I have also built 20050703 HEAD libstdc++.so with g++ 4.0 (had to add > #include <ia64intrin.h> into ia64/atomicity.h), and cond1 also segfaults > against such built libstdc++.so. That g++ 4.0 was without -fstack-protector > patches FYI. > So I'm pretty positive this is caused by some libstdc++ EH change, > with http://gcc.gnu.org/ml/gcc-cvs/2005-06/msg01019.html being the suspected > one. I'm now running binary searches on ia64-hp-hpux11.23 and hppa64-hp-hpux11.23 to confirm the responsible patches on those platforms. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22284
