------- Additional Comments From rth at redhat dot com 2004-12-02 06:08 ------- Subject: Re: [3.4/4.0 Regression] g++ crash with -O2 and -O3 on input file
On Wed, Dec 01, 2004 at 09:56:51PM -0700, Jeffrey A Law wrote: > * tree.h (save_eptr, save_filt): Now file scoped statics. > (honor_protect_cleanup_actions): Only create save_eptr and > save_filt if they do not already exist. > (lower_eh_constructs): Wipe all knowledge of save_eptr and > save_filt before returning. As I just discovered while working through the existance of these saves for DannyB, this transformation is incorrect and indeed invalidates the entire reason for this save/restore. The best that we could do is a stack of variable pairs so that nested eh regions are handled properly. Sorry for my earlier misdiagnosis. r~ -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15855
