I'm getting an RTL checking bootstrap failure on i686-unknown-linux-gnu. The
bootstrap dies in stage2 like so:
/home/ghazi/tmpdisk/gcc-testing/42/build/./prev-gcc/xgcc
-B/home/ghazi/tmpdisk/gcc-testing/42/build/./prev-gcc/
-B/usr/local/i686-pc-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_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../../egcc-SVN20051225/zlib -O2 -g -fomit-frame-pointer -c -o
libz_a-deflate.o `test -f 'deflate.c' || echo
'../../egcc-SVN20051225/zlib/'`deflate.c
../../egcc-SVN20051225/zlib/deflate.c: In function 'deflateInit2_':
../../egcc-SVN20051225/zlib/deflate.c:312: internal compiler error: RTL check:
expected code 'const_int', have 'const_double' in simplify_shift_const_1, at
combine.c:8923
This is a regression.
--
Summary: [4.2 regression] RTL checking bootstrap failure on i686-
unknown-linux-gnu
Product: gcc
Version: 4.2.0
Status: UNCONFIRMED
Keywords: ice-checking
Severity: normal
Priority: P3
Component: middle-end
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: ghazi at gcc dot gnu dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25568
