[Bug c++/56302] [4.8 Regression] sys/sdt.h asms stopped working at -O0

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56302

--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> 2013-02-13 09:36:26 UTC ---
Created attachment 29431
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=29431
gcc48-pr56302.patch

Untested fix.