Building a C/C++ cross-compiler targeting sh4-linux fails with include/ext/bitmap_allocator.h:1085: internal compiler error: in spill_failure, at reload1.c:1889 I grabbed the preprocessed source, and was able to reproduce it with the commandline
gcc-4.1-20050716-glibc-2.3.2/build-gcc/./gcc/xgcc -B/.../gcc-4.1-20050716-glibc-2.3.2/build-gcc/./gcc/ -O2 -fPIC -c foo.ii foo.ii: In member function '_Tp* __gnu_cxx::bitmap_allocator<_Tp>::_M_allocate_single_object() [with _Tp = wchar_t]': foo.ii:2206: error: unable to find a register to spill in class 'R0_REGS' foo.ii:2206: error: this is the insn: (insn:HI 393 416 746 30 (set (reg/f:SI 2 r2 [388]) (mem/u:SI (plus:SI (reg:SI 12 r12) (reg/f:SI 10 r10 [574])) [0 S4 A32])) 172 {movsi_ie} (nil) (expr_list:REG_EQUIV (symbol_ref/i:SI ("_ZN9__gnu_cxx16bitmap_allocatorIwE13_S_block_sizeE") <var_decl 0x40411ba0 _S_block_size>) (nil))) foo.ii:2206: internal compiler error: in spill_failure, at reload1.c:1889 -- Summary: [4.1 regression] ICE building libstdc++ Product: gcc Version: 4.1.0 Status: UNCONFIRMED Severity: normal Priority: P2 Component: rtl-optimization AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: dank at kegel dot com CC: gcc-bugs at gcc dot gnu dot org GCC target triplet: sh4-linux http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22553