[gcc r12-5051] Define m_rtx_reuse_manager only if not GENERATOR_FILE.

[Martin Liska <marxin@gcc.gnu.org>]

https://gcc.gnu.org/g:0dc0947d4b67af66a57f4824232bb8020b0403f7

commit r12-5051-g0dc0947d4b67af66a57f4824232bb8020b0403f7
Author: Martin Liska <mliska@suse.cz>
Date:   Tue Nov 9 14:42:26 2021 +0100

    Define m_rtx_reuse_manager only if not GENERATOR_FILE.
    
    gcc/ChangeLog:
    
            * print-rtl.c (rtx_writer::rtx_writer): Make the compilation
            conditional based on
            * print-rtl.h (class rtx_writer): Likewise.

Diff:
---
 gcc/print-rtl.c | 8 +++++---
 gcc/print-rtl.h | 2 ++
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/gcc/print-rtl.c b/gcc/print-rtl.c
index 567d2877b8e..a1afff65aa8 100644
--- a/gcc/print-rtl.c
+++ b/gcc/print-rtl.c
@@ -84,10 +84,12 @@ int flag_dump_unnumbered_links = 0;
 /* Constructor for rtx_writer.  */
 
 rtx_writer::rtx_writer (FILE *outf, int ind, bool simple, bool compact,
-			rtx_reuse_manager *reuse_manager)
+			rtx_reuse_manager *reuse_manager ATTRIBUTE_UNUSED)
 : m_outfile (outf), m_sawclose (0), m_indent (ind),
-  m_in_call_function_usage (false), m_simple (simple), m_compact (compact),
-  m_rtx_reuse_manager (reuse_manager)
+  m_in_call_function_usage (false), m_simple (simple), m_compact (compact)
+#ifndef GENERATOR_FILE
+  , m_rtx_reuse_manager (reuse_manager)
+#endif
 {
 }
 
diff --git a/gcc/print-rtl.h b/gcc/print-rtl.h
index 66f8c3688de..d8d9e2c487c 100644
--- a/gcc/print-rtl.h
+++ b/gcc/print-rtl.h
@@ -68,8 +68,10 @@ class rtx_writer
      - insn names are prefixed with "c" (e.g. "cinsn", "cnote", etc).  */
   bool m_compact;
 
+#ifndef GENERATOR_FILE
   /* An optional instance of rtx_reuse_manager.  */
   rtx_reuse_manager *m_rtx_reuse_manager;
+#endif
 };
 
 #ifdef BUFSIZ