[Bug preprocessor/88974] [9 Regression] ICE: Segmentation fault (in linemap_resolve_location)

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88974

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |ASSIGNED
   Last reconfirmed|                            |2019-01-24
           Assignee|unassigned at gcc dot gnu.org      |jakub at gcc dot gnu.org
     Ever confirmed|0                           |1

--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 45519
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=45519&action=edit
gcc9-pr88974.patch

Untested fix.  That said, I see no signs why this is a regression.