http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52178
--- Comment #21 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2012-02-13 17:06:44 UTC --- > Yeah. I'm now getting further with Ada LTO bootstrap, but hit an ICE > during optimization: > > /space/rguenther/src/svn/trunk/gcc/ada/sem_prag.adb: In function > 'sem_prag__analyze_pragma': > /space/rguenther/src/svn/trunk/gcc/ada/sem_prag.adb:383:0: internal compiler > error: in forward_edge_to_pdom, at tree-ssa-dce.c:1153 > Please submit a full bug report, > with preprocessed source if appropriate. OK, thanks, will debug this one. > when built with --disable-werror, otherwise I'd see errors with warnings like > > ada/b_gnat1.adb:196:7: warning: type of 'locking_policy' does not match > original declaration [enabled by default] > In file included from /usr/include/unistd.h:563:0, > from /space/rguenther/src/svn/trunk/gcc/ada/cstreams.c:268, > from /usr/include/stdio.h:188, > from <built-in>:10, > from <built-in>:5, > from <built-in>:78, > from :9: > /space/rguenther/src/svn/trunk/gcc/ada/init.c:96:7: note: previously declared > here > In file included from :101:0: > > The warning appears if the middle-end would not consider the types > compatible and thus would, for example, assign different alias-sets > when accessing the decl from the different modules. -Werror is supposed to have been disabled at link time for Ada though
