[Bug c++/44256] When using -flto and -fwhole-program the compiler/linker crash

["rguenth at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>]

------- Comment #8 from rguenth at gcc dot gnu dot org  2010-05-24 12:18 -------
(In reply to comment #6)
> Well, I added "nostdlib" and removed all libraries from the cmd line, but
> still:
> 
> bash$ g++  -r -nostdlib -O3 -g -Wall -Wextra -fomit-frame-pointer -ffast-math
> -funsafe-math-optimizations -mtune=native -flto -msse -mrecip -mfpmath=sse
> -msse2 -mssse3 -DNDEBUG   -o renderer renderer-renderer.o renderer-Algebra.o
> renderer-Camera.o renderer-Keyboard.o renderer-Light.o renderer-Object3D.o
> renderer-Scene.o renderer-Screen.o renderer-Base3d.o -fwhole-program  
> lto1: internal compiler error: in gimple_register_type, at gimple.c:3820
> Please submit a full bug report,
> with preprocessed source if appropriate.
> See <http://gcc.gnu.org/bugs.html> for instructions.
> lto-wrapper: /usr/bin/g++ returned 1 exit status
> collect2: lto-wrapper returned 1 exit status
> 
> In fact, it crashes even when I remove -fwhole-program.
> It only works if I remove the -flto.

Yes, now with the above command-line remove .o files one-by one and figure
out the minimal set of *.o files that make it crash.  For those files
please attach pre-processed source.  (I expect it will be a single file)


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44256