I ran Chris' test cases in sid/experimental:
gcc 4.5.2-8 (sid) and binutils 2.21.0.20110327-2 (sid): segfaults gcc 4.6.0-2 (sid) and binutils 2.21.0.20110327-2 (sid): segfaults
gcc 4.5.2-8 (sid) and binutils 2.21.51.20110403-1 (experimental): segfaults gcc 4.6.0-2 (sid) and binutils 2.21.51.20110403-1 (experimental): segfaults
There is no newer 4.5/4.6 gcc in experimental to try.
I ran Chris' test cases in sid/experimental:
gcc 4.5.2-8 (sid) and binutils 2.21.0.20110327-2 (sid): segfaults
gcc 4.6.0-2 (sid) and binutils 2.21.0.20110327-2 (sid): segfaults
gcc 4.5.2-8 (sid) and binutils 2.21.51.20110403-1 (experimental): segfaults
gcc 4.6.0-2 (sid) and binutils 2.21.51.20110403-1 (experimental): segfaults
There is no newer 4.5/4.6 gcc in experimental to try.