[Bug c/80359] New: -O3 causes error: invalid reference prefix

[dcb314 at hotmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80359

            Bug ID: 80359
           Summary: -O3 causes error: invalid reference prefix
           Product: gcc
           Version: 7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: dcb314 at hotmail dot com
  Target Milestone: ---

Created attachment 41153
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41153&action=edit
C source code

common-filters.c: In function ‘rtf_create_bandpass_analytic’:
common-filters.c:643:9: error: invalid reference prefix
MEM[base: _429, offset: 0B]
common-filters.c:95:7: note: in statement
# .MEM_261 = VDEF <.MEM_324>
IMAGPART_EXPR <MEM[base: _429, offset: 0B]> = 0.0;
common-filters.c:643:9: error: invalid reference prefix
MEM[base: _438, offset: 0B]
common-filters.c:95:7: note: in statement
# .MEM_259 = VDEF <.MEM_281>
IMAGPART_EXPR <MEM[base: _438, offset: 0B]> = 0.0;
common-filters.c:643:9: internal compiler error: verify_gimple failed
0xc737e2 verify_gimple_in_cfg(function*, bool)
        ../../trunk/gcc/tree-cfg.c:5266
0xb00366 execute_function_todo
        ../../trunk/gcc/passes.c:1966
0xb02aa4 do_per_function
        ../../trunk/gcc/passes.c:1650
0xb02aa4 execute_todo
        ../../trunk/gcc/passes.c:2016

gcc is recent trunk

$ ../results/bin/gcc -v
Using built-in specs.
COLLECT_GCC=../results/bin/gcc
COLLECT_LTO_WRAPPER=/home/dcb/gcc/results.246752/libexec/gcc/x86_64-pc-linux-gnu/7.0.1/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: ../trunk/configure --prefix=/home/dcb/gcc/results.246752
--disable-bootstrap --disable-multilib --disable-werror
--enable-checking=df,extra,fold,rtl,yes --enable-languages=c,c++,fortran
Thread model: posix
gcc version 7.0.1 20170407 (experimental) (GCC) 

I'll have a go at reducing the file.