(gcc-295.info)Actual Bugs


Actual Bugs We Haven't Fixed Yet
================================

   * The `fixincludes' script interacts badly with automounters; if the
     directory of system header files is automounted, it tends to be
     unmounted while `fixincludes' is running.  This would seem to be a
     bug in the automounter.  We don't know any good way to work around
     it.

   * The `fixproto' script will sometimes add prototypes for the
     `sigsetjmp' and `siglongjmp' functions that reference the
     `jmp_buf' type before that type is defined.  To work around this,
     edit the offending file and place the typedef in front of the
     prototypes.

   * There are several obscure case of mis-using struct, union, and
     enum tags that are not detected as errors by the compiler.

   * When `-pedantic-errors' is specified, GCC will incorrectly give an
     error message when a function name is specified in an expression
     involving the comma operator.

   * Loop unrolling doesn't work properly for certain C++ programs.
     This is a bug in the C++ front end.  It sometimes emits incorrect
     debug info, and the loop unrolling code is unable to recover from
     this error.


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