[Bug c++/72487] New: tree check fail in get_ops, at tree-ssa-reassoc.c:3269

[dcb314 at hotmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=72487

            Bug ID: 72487
           Summary: tree check fail in get_ops, at tree-ssa-reassoc.c:3269
           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 39011
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=39011&action=edit
gzipped C++ source code

The attached code, when compiled by gcc trunk dated 20160725, 
with the compile flag -O3, does this:

/home/dcb/rpmbuild/BUILD/cmake-3.6.0/Source/cmGlobalGenerator.cxx:2389:6:
internal compiler error: tree check: expected ssa_name, have addr_expr in
get_ops, at tree-ssa-reassoc.c:3269
 bool cmGlobalGenerator::IsReservedTarget(std::string const& name)
      ^~~~~~~~~~~~~~~~~
0x112e91c tree_check_failed(tree_node const*, char const*, int, char const*,
...)
        ../../src/trunk/gcc/tree.c:9742
0x1039838 tree_check(tree_node*, char const*, int, char const*, tree_code)
        ../../src/trunk/gcc/tree.h:3023
0x1039838 get_ops
        ../../src/trunk/gcc/tree-ssa-reassoc.c:3269
0x1040833 maybe_optimize_range_tests
        ../../src/trunk/gcc/tree-ssa-reassoc.c:3522
0x1040833 reassociate_bb
        ../../src/trunk/gcc/tree-ssa-reassoc.c:5260