On Linux/x86-64, gcc 3.4 failed to bootstrap gcc 4.5.0 at revision 157518. I got:
gcc -c -g -fkeep-inline-functions -DIN_GCC -W -Wall -Wwrite-strings -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wmissing-format-attribute -Wold-style-definition -DHAVE_CONFIG_H -I. -I. -I/net/gnu-13/export/gnu/src/gcc/gcc/gcc -I/net/gnu-13/export/gnu/src/gcc/gcc/gcc/. -I/net/gnu-13/export/gnu/src/gcc/gcc/gcc/../include -I/net/gnu-13/export/gnu/src/gcc/gcc/gcc/../libcpp/include -I/net/gnu-13/export/gnu/src/gcc/gcc/gcc/../libdecnumber -I/net/gnu-13/export/gnu/src/gcc/gcc/gcc/../libdecnumber/bid -I../libdecnumber -I/usr/include/libelf insn-attrtab.c -o insn-attrtab.o cc1: out of memory allocating 446876352 bytes after a total of 67346432 bytes make[5]: *** [insn-attrtab.o] Error 1 Revision 157387 is OK. -- Summary: Gcc 3.4 failed to boostrap on Linux/x86-64 Product: gcc Version: 4.5.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: bootstrap AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: hjl dot tools at gmail dot com http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43410