C++ PATCH to add RANGE_FOR_INIT_STMT to cxx_pretty_printer

[Marek Polacek]

Now that we have RANGE_FOR_INIT_STMT we should handle it in cxx_pretty_printer.
I don't actually know how to trigger it but it seems straightforward to add.

Bootstrapped/regtested on x86_64-linux, ok for trunk?

2018-09-07  Marek Polacek  <pola...@redhat.com>

        * cxx-pretty-print.c (cxx_pretty_printer::statement) <case
        RANGE_FOR_SMT>: Handle RANGE_FOR_INIT_STMT.

diff --git gcc/cp/cxx-pretty-print.c gcc/cp/cxx-pretty-print.c
index df81aa37ce8..8426c7246de 100644
--- gcc/cp/cxx-pretty-print.c
+++ gcc/cp/cxx-pretty-print.c
@@ -2021,6 +2021,12 @@ cxx_pretty_printer::statement (tree t)
       pp_cxx_ws_string (this, "for");
       pp_space (this);
       pp_cxx_left_paren (this);
+      if (RANGE_FOR_INIT_STMT (t))
+       {
+         statement (RANGE_FOR_INIT_STMT (t));
+         pp_needs_newline (this) = false;
+         pp_cxx_whitespace (this);
+       }
       statement (RANGE_FOR_DECL (t));
       pp_space (this);
       pp_needs_newline (this) = false;