[Bug c++/79781] New: ICE on valid C++ code with -std=c++14 (in assemble_integer, at varasm.c:2733)

["marxin at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79781

            Bug ID: 79781
           Summary: ICE on valid C++ code with -std=c++14 (in
                    assemble_integer, at varasm.c:2733)
           Product: gcc
           Version: 7.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: marxin at gcc dot gnu.org
                CC: jason at gcc dot gnu.org
  Target Milestone: ---

We do ICE on a LLVM test-case:

g++ const-init.cpp -std=c++14
const-init.cpp:91:17: internal compiler error: in assemble_integer, at
varasm.c:2733
 X x = {(long)&k};
                 ^
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Looks clang++ accepts the code.