http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51874
Rainer Orth <ro at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Target|i386-pc-solaris2.1[01], |i386-pc-solaris2.1[01], |mips-sgi-irix6.5 |mips-sgi-irix6.5, | |sparc-sun-solaris2* Status|UNCONFIRMED |NEW Last reconfirmed| |2012-01-27 Host|i386-pc-solaris2.1[01], |i386-pc-solaris2.1[01], |mips-sgi-irix6.5 |mips-sgi-irix6.5, | |sparc-sun-solaris2* Target Milestone|--- |4.7.0 Ever Confirmed|0 |1 Build|i386-pc-solaris2.1[01], |i386-pc-solaris2.1[01], |mips-sgi-irix6.5 |mips-sgi-irix6.5, | |sparc-sun-solaris2* --- Comment #1 from Rainer Orth <ro at gcc dot gnu.org> 2012-01-27 11:37:09 UTC --- Ian has now provided a detailed investigation of the problem: http://gcc.gnu.org/ml/gcc-patches/2012-01/msg00918.html For the 64-bit Solaris/x86 case, Solaris engineering has identified and fixed the bug: 7133114 fsbase (%fs:0) is not set properly after makecontext()/setcontext() The fix will be in Solaris 11 Update 1, and I've requested a Solaris 10 Update 10 backport, which will be delivered as a patch on top of patch 144501-19. Rainer