[Bug bootstrap/69816] New: [4.9 Regression] r233410 breaks bootstrap

[hjl.tools at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69816

            Bug ID: 69816
           Summary: [4.9 Regression] r233410 breaks bootstrap
           Product: gcc
           Version: 6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: bootstrap
          Assignee: unassigned at gcc dot gnu.org
          Reporter: hjl.tools at gmail dot com
                CC: tkoenig at gcc dot gnu.org
  Target Milestone: ---

On x86, r233410 caused:

../../../src-trunk/libgfortran/intrinsics/selected_int_kind.f90:28:40:

   integer :: _gfortran_selected_int_kind
                                        1
Error: Symbol \u2018_gfortran_selected_int_kind\u2019 at (1) also
declared as a type at (2)
f951: Fatal Error: Option \u2018-fallow-leading-underscore\u2019 is
for use only by gfortran developers, and should not be used for
implicitly typed variables
compilation terminated.
Makefile:5679: recipe for target 'selected_int_kind.lo' failed
make[6]: *** [selected_int_kind.lo] Error 1