[Bug rtl-optimization/51271] New: ICE in in maybe_record_trace_start, at dwarf2cfi.c:2244

[vries at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51271

             Bug #: 51271
           Summary: ICE in in maybe_record_trace_start, at
                    dwarf2cfi.c:2244
    Classification: Unclassified
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: rtl-optimization
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: vries@gcc.gnu.org


Created attachment 25886
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=25886
preprocessed res_hconf.c

I ran into this ICE with a mips64el cross compiler build from r181586:
...
res_hconf.c: In function 'skip_string':
res_hconf.c:104:1: internal compiler error: in maybe_record_trace_start, at
dwarf2cfi.c:2244
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
...

compile line:
...
mips64el-linux-gnu-gcc  -mabi=n32 res_hconf.c -c -std=gnu99 -fgnu89-inline -O2
-Wall -Winline -Wwrite-strings -fmerge-all-constants -g -Wno-strict-prototypes
-Wno-write-strings -Wstrict-prototypes -fexceptions -mabi=n32
...

configure line:
...
/scratch/vries/b4/ref-mips64-ml-11-11-21/src/gcc-mainline/configure
--build=i686-pc-linux-gnu --host=i686-pc-linux-gnu --target=mips64el-linux-gnu
--enable-threads --disable-libmudflap --disable-libssp --disable-libstdcxx-pch
--enable-checking=yes,rtl --disable-multilib --with-gnu-as --with-gnu-ld
--enable-languages=c,c++ --enable-shared --enable-lto --enable-symvers=gnu
--enable-__cxa_atexit --disable-nls --prefix=/opt/codesourcery --disable-libffi
--disable-libquadmath --enable-languages=c
--with-sysroot=/opt/codesourcery/mips64el-linux-gnu/libc
--with-build-sysroot=/scratch/vries/b4/ref-mips64-ml-11-11-21/install/mips64el-linux-gnu/libc
--with-gmp=/scratch/vries/b4/ref-mips64-ml-11-11-21/obj/host-libs-mainline-0-mips64el-linux-gnu-i686-pc-linux-gnu/usr
--with-mpfr=/scratch/vries/b4/ref-mips64-ml-11-11-21/obj/host-libs-mainline-0-mips64el-linux-gnu-i686-pc-linux-gnu/usr
--with-mpc=/scratch/vries/b4/ref-mips64-ml-11-11-21/obj/host-libs-mainline-0-mips64el-linux-gnu-i686-pc-linux-gnu/usr
--with-ppl=/scratch/vries/b4/ref-mips64-ml-11-11-21/obj/host-libs-mainline-0-mips64el-linux-gnu-i686-pc-linux-gnu/usr
--with-host-libstdcxx='-static-libgcc -Wl,-Bstatic,-lstdc++,-Bdynamic -lm'
--with-cloog=/scratch/vries/b4/ref-mips64-ml-11-11-21/obj/host-libs-mainline-0-mips64el-linux-gnu-i686-pc-linux-gnu/usr
--with-libelf=/scratch/vries/b4/ref-mips64-ml-11-11-21/obj/host-libs-mainline-0-mips64el-linux-gnu-i686-pc-linux-gnu/usr
--disable-libgomp --enable-poison-system-directories
--with-build-time-tools=/scratch/vries/b4/ref-mips64-ml-11-11-21/install/mips64el-linux-gnu/bin
--with-build-time-tools=/scratch/vries/b4/ref-mips64-ml-11-11-21/install/mips64el-linux-gnu/bin
...