[Bug target/45807] Lying eh_frame r2 save info causes crashes with static libgcc_eh and libstdc++

[meissner at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45807

Michael Meissner <meissner at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |meissner at gcc dot gnu.org

--- Comment #3 from Michael Meissner <meissner at gcc dot gnu.org> 2010-09-30 
19:04:09 UTC ---
This breaks builds where the default is 64-bit, i.e. --with-cpu=default64

With --with-cpu=default64, it fails in building libgcc.a:
/home/meissner/fsf-install-ppc64/binutils-current/bin/ranlib libgcc.a
/home/meissner/fsf-build-ppc64/trunk/./gcc/xgcc
-B/home/meissner/fsf-build-ppc64/trunk/./gcc/
-B/home/meissner/fsf-install-ppc64/trunk/powerpc64-linux/bin/
-B/home/meissner/fsf-install-ppc64/trunk/powerpc64-linux/lib/ -isystem
/home/meissner/fsf-install-ppc64/trunk/powerpc64-linux/include -isystem
/home/meissner/fsf-install-ppc64/trunk/powerpc64-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
-mno-minimal-toc -g -DHAVE_GTHR_DEFAULT -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED 
-mlong-double-128 -I. -I. -I../.././gcc -I/home/meissner/fsf-src/trunk/libgcc
-I/home/meissner/fsf-src/trunk/libgcc/.
-I/home/meissner/fsf-src/trunk/libgcc/../gcc
-I/home/meissner/fsf-src/trunk/libgcc/../include
-I/home/meissner/fsf-src/trunk/libgcc/../libdecnumber/dpd
-I/home/meissner/fsf-src/trunk/libgcc/../libdecnumber -DHAVE_CC_TLS  -o
unwind-dw2.o -MT unwind-dw2.o -MD -MP -MF unwind-dw2.dep -fexceptions -c
/home/meissner/fsf-src/trunk/libgcc/../gcc/unwind-dw2.c -fvisibility=hidden
-DHIDE_EXPORTS
In file included from
/home/meissner/fsf-src/trunk/libgcc/../gcc/unwind-dw2.c:1582:0:
/home/meissner/fsf-src/trunk/libgcc/../gcc/unwind.inc: In function
‘_Unwind_RaiseException’:
/home/meissner/fsf-src/trunk/libgcc/../gcc/unwind.inc:136:1: error: insn does
not satisfy its constraints:
(insn 217 216 218 2 (set (reg:SI 11 11)
        (xor:SI (reg:SI 11 11)
            (const_int 3896573952 [0xe8410000])))
/home/meissner/fsf-src/trunk/libgcc/../gcc/unwind.inc:83 158
{*boolsi3_internal1}
     (nil))
/home/meissner/fsf-src/trunk/libgcc/../gcc/unwind.inc:136:1: internal compiler
error: in copyprop_hardreg_forward_1, at regcprop.c:768
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
make[2]: *** [unwind-dw2.o] Error 1
make[2]: Leaving directory
`/home/meissner/fsf-build-ppc64/trunk/powerpc64-linux/libgcc'
make[1]: *** [all-target-libgcc] Error 2
make[1]: Leaving directory `/home/meissner/fsf-build-ppc64/trunk'
make: *** [all] Error 2