At revision 151371 I get an RTL checking failure compiling libgcc:
/home/eric/build/gcc/native32/./gcc/xgcc -B/home/eric/build/gcc/native32/./gcc/
-B/home/eric/install/gcc/i586-suse-linux/bin/
-B/home/eric/install/gcc/i586-suse-linux/lib/ -isystem
/home/eric/install/gcc/i586-suse-linux/include -isystem
/home/eric/install/gcc/i586-suse-linux/sys-include -g -O2 -O2 -g -O2
-DIN_GCC -W -Wall -Wwrite-strings -Wcast-qual -Wstrict-prototypes
-Wmissing-prototypes -Wold-style-definition -isystem ./include -fPIC -g
-DHAVE_GTHR_DEFAULT -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED -I. -I.
-I../.././gcc -I/home/eric/svn/gcc/libgcc -I/home/eric/svn/gcc/libgcc/.
-I/home/eric/svn/gcc/libgcc/../gcc -I/home/eric/svn/gcc/libgcc/../include
-I/home/eric/svn/gcc/libgcc/config/libbid -DENABLE_DECIMAL_BID_FORMAT
-DHAVE_CC_TLS -DUSE_TLS -Wno-missing-prototypes -Wno-type-limits -o unordtf2.o
-MT unordtf2.o -MD -MP -MF unordtf2.dep -fexceptions -c
/home/eric/svn/gcc/libgcc/../gcc/config/soft-fp/unordtf2.c -fvisibility=hidden
-DHIDE_EXPORTS
/home/eric/svn/gcc/libgcc/../gcc/config/soft-fp/unordtf2.c: In function
'__unordtf2':
/home/eric/svn/gcc/libgcc/../gcc/config/soft-fp/unordtf2.c:45:1: internal
compiler error: RTL check: expected code 'subreg', have 'sign_extend' in
loc_descriptor, at dwarf2out.c:11681
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
make[3]: *** [unordtf2.o] Error 1
make[3]: *** Waiting for unfinished jobs....
make[3]: Leaving directory
`/home/eric/build/gcc/native32/i586-suse-linux/libgcc'
make[2]: *** [all-stage1-target-libgcc] Error 2
make[2]: Leaving directory `/home/eric/build/gcc/native32'
make[1]: *** [stage1-bubble] Error 2
make[1]: Leaving directory `/home/eric/build/gcc/native32'
make: *** [all] Error 2
All was working fine yesterday so it's very likely the enabling of VTA.
--
Summary: [4.5 regression] RTL checking failure compiling libgcc
Product: gcc
Version: 4.5.0
Status: UNCONFIRMED
Severity: critical
Priority: P3
Component: debug
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: ebotcazou at gcc dot gnu dot org
GCC build triplet: ix86-*-linux
GCC host triplet: ix86-*-linux
GCC target triplet: ix86-*-linux
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41236
