[MacPorts] #59253: libgcc9/gcc9: build fails with clang-9.0 during build of gencondmd: Undefined symbols for architecture x86_64: "ix86_binary_operator_ok(rtx_code, machine_mode, rtx_def**)"

[MacPorts]

#59253: libgcc9/gcc9: build fails with clang-9.0 during build of gencondmd:
Undefined symbols for architecture x86_64:
"ix86_binary_operator_ok(rtx_code, machine_mode, rtx_def**)"
---------------------------+--------------------
  Reporter:  kencu         |      Owner:  (none)
      Type:  defect        |     Status:  new
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:
Resolution:                |   Keywords:
      Port:  libgcc9 gcc9  |
---------------------------+--------------------

Comment (by kencu):

 In [changeset:"e29edf4b96db25bb99c40d6092c6a6bf64b5fe2c/macports-ports"
 e29edf4b96db25bb99c40d6092c6a6bf64b5fe2c/macports-ports] (master):
 {{{
 #!ConfigurableCommitTicketReference repository="macports-ports"
 revision="e29edf4b96db25bb99c40d6092c6a6bf64b5fe2c"
 libgcc9/gcc9, libgcc-devel, gcc10: harmonize blacklisting

 these ports are very similar wrt blacklisting
 they don't build properly with macports-clang < 3.8
 they don't build at all with clang-9.0 at present

 see: https://trac.macports.org/ticket/59253
 see: https://trac.macports.org/ticket/58493
 }}}

-- 
Ticket URL: <https://trac.macports.org/ticket/59253#comment:4>
MacPorts <https://www.macports.org/>
Ports system for macOS