[Bug c++/51909] New: for avr device : internal error in linking phase , function call disappearing when assembled and a weird compiling warning

[Bug c++/51909] New: for avr device : internal error in linking phase , function call disappearing when assembled and a weird compiling warning

[gnumaurorusso at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51909

             Bug #: 51909
           Summary: for avr device : internal error in linking phase   ,
                    function call disappearing when assembled    and   a
                    weird compiling warning
    Classification: Unclassified
           Product: gcc
           Version: 4.5.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: gnumaurorusso@gmail.com


Created attachment 26387
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=26387
make commands list

Dears,

unfortunely I am new in gcc compiler.
I wok on Windows XP Home - SP3.
I had a problem in AVR Toolchain, which uses gcc 4.5.1
It seems maybe they have an adapted gcc version
"gcc (AVR_8_bit_GNUToolchain_3.3.1_422) 4.5.1"
I also downloaded and installed cgwin. It contains gcc 4.5.3
Because of I am novice in gcc, at the moment I did not try to
reproduce the problems with the gcc 4.5.3 inside cgwin.

I have three problems :

- internal error in the linking phase (warning)

- function declared 'noreturn" has a 'return' statement
given on a function where no return statement appears

- a function call which disappears when the firmware is built
The same function call does not disappear if it is written
in an equivalent but different style.

At the moment I posted all details on AVR Freaks :
http://www.avrfreaks.net/index.php?name=PNphpBB2&file=viewtopic&p=914857#914857

Please, let me know if you can help me to try to reproduce the problem
in gcc 4.5.3 in cgwin
I attach the Output of AVR Studio, which shows the make commands performed.


Best Regards,
Mauro.

[Bug target/51909] for avr device : internal error in linking phase , function call disappearing when assembled and a weird compiling warning

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51909

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |INVALID

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> 2012-01-20 00:29:56 UTC ---
C:\Documents and Settings\mauro\Desktop\AVR5
prj\TestCodeBUG\ImportMyCode\Debug\SWLevel\URtcOperations.o(1,1): internal
error: out of range error

That is an internal error from the linker and not GCC.  The linker is a
seperate project.

Also you really should report this to where you got the linker/compiler mix
since they are the ones who support the binaries you have.

[Bug target/51909] for avr device : internal error in linking phase , function call disappearing when assembled and a weird compiling warning

[gnumaurorusso at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51909

--- Comment #2 from mauro <gnumaurorusso at gmail dot com> 2012-01-20 00:49:04 UTC ---
DEar Andrew,

thansk for the answer.
I have already posted to AVR support, as wrote in my previous post.
Anyway, I would like to understand id the problem raises also
in the "pure" gnu tool.
How can I go on for this goal?

Regards,
Mauro.