[Bug c/35661] New: __attribute__((cold)) generates wrong code

[zuxy dot meng at gmail dot com]

On MinGW32, GCC 4.3.0 marks the .text.unlikely section as "w"(writable) instead
of "x"(executable), which makes the assembler to pad the section with zeros
instead of NOPs. Runtime behavior is almost always incorrect and in many cases
an application will crash.


-- 
           Summary: __attribute__((cold)) generates wrong code
           Product: gcc
           Version: 4.3.0
            Status: UNCONFIRMED
          Severity: major
          Priority: P3
         Component: c
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: zuxy dot meng at gmail dot com
 GCC build triplet: i686-pc-mingw32
  GCC host triplet: i686-pc-mingw32
GCC target triplet: i686-pc-mingw32


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35661