[Bug middle-end/60479] New: convert_move assert failed

["manjian2006 at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60479

            Bug ID: 60479
           Summary: convert_move assert failed
           Product: gcc
           Version: 4.9.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
          Assignee: unassigned at gcc dot gnu.org
          Reporter: manjian2006 at gmail dot com

Created attachment 32322
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=32322&action=edit
source that causes bug

0x8d87dc convert_move(rtx_def*, rtx_def*, int)
    ../../building/gcc/expr.c:333
0x8ddcc8 store_expr(tree_node*, rtx_def*, int, bool)
    ../../building/gcc/expr.c:5398
0x8e4cff expand_assignment(tree_node*, tree_node*, bool)
    ../../building/gcc/expr.c:5123
0x803950 expand_call_stmt
    ../../building/gcc/cfgexpand.c:2259
0x803950 expand_gimple_stmt_1
    ../../building/gcc/cfgexpand.c:3160
0x803950 expand_gimple_stmt
    ../../building/gcc/cfgexpand.c:3312
0x804d6d expand_gimple_basic_block
    ../../building/gcc/cfgexpand.c:5152
0x80695c gimple_expand_cfg
    ../../building/gcc/cfgexpand.c:5731
0x80695c execute
    ../../building/gcc/cfgexpand.c:5951
Please submit a full bug report,

gcc configure with:
Configured with: ../building/configure --target=i686-linux-android
--host=x86_64-linux-gnu --build=x86_64-linux-gnu --with-gnu-as --with-gnu-ld
--enable-languages=c,c++ --with-host-libstdcxx='-static-libgcc
-Wl,-Bstatic,-lstdc++,-Bdynamic -lm' --disable-libssp --enable-threads
--disable-nls --disable-libmudflap --disable-libgomp --disable-sjlj-exceptions
--disable-tls --disable-libitm --with-arch=i686 --with-tune=atom
--with-fpmath=sse --enable-initfini-array --disable-nls
--with-sysroot=/home/linzj/android-ndk-r8e/platforms/android-9/arch-x86
--disable-bootstrap --disable-libquadmath --enable-plugins --enable-libgomp
--enable-gold --enable-graphite=yes
--program-transform-name='s&^&i686-linux-android-&' --enable-gold=default
--disable-libcilkrts : (reconfigured) ../building/configure
--target=i686-linux-android --host=x86_64-linux-gnu --build=x86_64-linux-gnu
--with-gnu-as --with-gnu-ld --enable-languages=c,c++
--with-host-libstdcxx='-static-libgcc -Wl,-Bstatic,-lstdc++,-Bdynamic -lm'
--disable-libssp --enable-threads --disable-nls --disable-libmudflap
--disable-libgomp --disable-sjlj-exceptions --disable-tls --disable-libitm
--with-arch=i686 --with-tune=atom --with-fpmath=sse --enable-initfini-array
--disable-nls
--with-sysroot=/home/linzj/android-ndk-r8e/platforms/android-9/arch-x86
--disable-bootstrap --disable-libquadmath --enable-plugins --enable-libgomp
--enable-gold --enable-graphite=yes
--program-transform-name='s&^&i686-linux-android-&' --enable-gold=default
--disable-libcilkrts


compile flags:
-ffunction-sections -funwind-tables -no-canonical-prefixes -fstack-protector
-fno-exceptions -fno-rtti -O2 -g -fomit-frame-pointer -fstrict-aliasing
-funswitch-loops -finline-limit=300 -fomit-frame-pointer -fvisibility=hidden
-O3 -Wa,--noexecstack -O2 -Wreturn-type -Wuninitialized -S  /tmp/1.cpp

when compile flags += -msse
this bug just disappears.