seen with 4.4 branch 20090822 (biarch compiler defaulting to 31bit), not with 4.3 and trunk 20090821, the ICE can be avoided using -O2 instead of -O3.
$ gcc-4.4 -O3 -c Any3Byte.i ../../../src/share/native/sun/awt/../java2d/loops/Any3Byte.c: In function Any3ByteSetSpans: ../../../src/share/native/sun/awt/../java2d/loops/Any3Byte.c:73: internal compiler error: Segmentation fault Please submit a full bug report, with preprocessed source if appropriate. See <file:///usr/share/doc/gcc-4.4/README.Bugs> for instructions. No useful information in the backtrace. Matthias -- Summary: [4.4 regression] ICE (segmentation fault) with -O3 Product: gcc Version: 4.4.2 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: debian-gcc at lists dot debian dot org GCC target triplet: s390-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41327