https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94937

            Bug ID: 94937
           Summary: ICE with if constexpr (in cp_get_fndecl_from_callee,
                    at cp/cvt.c:1000)
           Product: gcc
           Version: 10.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: foss at grueninger dot de
  Target Milestone: ---

When compiling a mid-sized numerical code, one of the test cases failed to
compile as I get an ICE.

/home/kiko/dune/complete/dumux/dumux/flux/cctpfa/fickslaw.hh:188:13: internal
compiler error: in cp_get_fndecl_from_callee, at cp/cvt.c:1000
  188 |             if constexpr (FluidSystem::isTracerFluidSystem())
      |             ^~
Please submit a full bug report,
with preprocessed source if appropriate.


> gcc-10 --version
gcc-10 (SUSE Linux) 10.0.1 20200424 (experimental) [revision
3685c5adf5c0b30268cb8f95c89e4c4a3240ae6f]
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This is free software; see the source for copying conditions.  There is NO
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