Revision 138835 breaks bootstrap on Linux/x86-64: [EMAIL PROTECTED] zlib]$ /export/gnu/import/svn/gcc-test/bld/./prev-gcc/xgcc -B/export/gnu/import/svn/gcc-test/bld/./prev-gcc/ -B/usr/local/x86_64-unknown-linux-gnu/bin/ -DPACKAGE_NAME=\"\" -DPACKAGE_TARNAME=\"\" -DPACKAGE_VERSION=\"\" -DPACKAGE_STRING=\"\" -DPACKAGE_BUGREPORT=\"\" -DPACKAGE=\"zlib\" -DVERSION=\"1.1.4\" -DSTDC_HEADERS=1 -DHAVE_SYS_TYPES_H=1 -DHAVE_SYS_STAT_H=1 -DHAVE_STDLIB_H=1 -DHAVE_STRING_H=1 -DHAVE_MEMORY_H=1 -DHAVE_STRINGS_H=1 -DHAVE_INTTYPES_H=1 -DHAVE_STDINT_H=1 -DHAVE_UNISTD_H=1 -DHAVE_DLFCN_H=1 -DLT_OBJDIR=\".libs/\" -DHAVE_STDLIB_H=1 -DHAVE_UNISTD_H=1 -DHAVE_GETPAGESIZE=1 -DHAVE_MMAP=1 -DHAVE_MEMCPY=1 -DHAVE_STRERROR=1 -DHAVE_UNISTD_H=1 -I. -I../../src/zlib -g -O2 -c -o libz_a-gzio.o `test -f 'gzio.c' || echo '../../src/zlib/'`gzio.c ../../src/zlib/gzio.c: In function âgzseekâ: ../../src/zlib/gzio.c:852: error: unrecognizable insn: (insn 53 248 54 15 ../../src/zlib/gzio.c:792 (parallel [ (set (mem:QI (reg:DI 77) [0 S1 A8]) (subreg:QI (reg:SI 79) 0)) (set (reg:DI 77) (plus:DI (reg:DI 77) (const_int 1 [0x1]))) ]) -1 (nil)) ../../src/zlib/gzio.c:852: internal compiler error: in extract_insn, at recog.c:1988 Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. [EMAIL PROTECTED] zlib]$
Gcc was configured with --enable-checking=assert --enable-clocale=gnu --with-sy stem-zlib --enable-shared --with-demangler-in-ld. -- Summary: [4.4 Regression] Revision 138835 breaks bootstrap Product: gcc Version: 4.4.0 Status: UNCONFIRMED Severity: blocker Priority: P3 Component: target 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=37048