[Bug target/50493] New: ICE in neon_disambiguate_copy, at config/arm/arm.c:20388

[rmansfield at qnx dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50493

             Bug #: 50493
           Summary: ICE in neon_disambiguate_copy, at
                    config/arm/arm.c:20388
    Classification: Unclassified
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
        AssignedTo: unassig...@gcc.gnu.org
        ReportedBy: rmansfi...@qnx.com
              Host: x86_64-linux-gnu
            Target: arm-unknown-linux-gnueabi
             Build: x86_64-linux-gnu


Created attachment 25347
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=25347
preprocessed source

$ ./xgcc -v
Using built-in specs.
COLLECT_GCC=./xgcc
Target: arm-unknown-linux-gnueabi
Configured with: ../configure --target=arm-unknown-linux-gnueabi
--prefix=/home/ryan/x-tools/arm-unknown-linux-gnueabi
--with-sysroot=/home/ryan/x-tools/arm-unknown-linux-gnueabi/arm-unknown-linux-gnueabi//sys-root
--disable-multilib
--with-local-prefix=/home/ryan/x-tools/arm-unknown-linux-gnueabi/arm-unknown-linux-gnueabi/sys-root
--disable-nls --enable-threads=posix --enable-symvers=gnu --enable-c99
--enable-long-long --enable-target-optspace
target_alias=arm-unknown-linux-gnueabi --enable-languages=c++ --disable-shared
--disable-libmudflap --disable-libssp
Thread model: posix
gcc version 4.7.0 20110923 (experimental) [trunk revision 179117] (GCC) 

$ ./xgcc -B. -O3 -mfpu=neon -mfloat-abi=softfp ~/ice.i -fpic
/home/ryan/ice.i: In function 'SetupUSEVertexShader':
/home/ryan/ice.i:342:38: warning: incompatible implicit declaration of built-in
function 'calloc' [enabled by default]
/home/ryan/ice.i:353:1: internal compiler error: in neon_disambiguate_copy, at
config/arm/arm.c:20388
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.