https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89712

            Bug ID: 89712
           Summary: Documentation for GCC => 8.0 contains unsupported
                    options
           Product: gcc
           Version: 8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: other
          Assignee: unassigned at gcc dot gnu.org
          Reporter: 7aitsev at pm dot me
  Target Milestone: ---

Since GCC version 8.0 at least these two options were replaced:
-fdump-class-hierarchy ---> -fdump-lang-class
-fdump-translation-unit ---> -fdump-lang-raw

When I tried to use -fdump-class-hierarchy on GCC 8.2.1 and 8.3, I got the
following error:

$ g++ -fdump-class-hierarchy source.cpp
cc1plus: error: unrecognized command line option ‘-fdump-class-hierarchy’

In the docs for 8.3 both class-hierarchy and translation-unit are still there.
There is no way to figure out from documentation which options are replacements
for these options.

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