From 315d42482cf3b94aa723fababf54a815fd0dfc1f Mon Sep 17 00:00:00 2001
From: Martin Liska <mliska@suse.cz>
Date: Thu, 24 Oct 2019 17:08:30 +0200
Subject: [PATCH] Make gt_pch_nx unreachable in symbol-summary classes.

2019-10-24  Martin Liska  <mliska@suse.cz>

	* symbol-summary.h (gt_pch_nx): Mark all functions
	with gcc_unreachable as we do not expect to be called.

From-SVN: r277408
---
 gcc/ChangeLog        |  5 +++++
 gcc/symbol-summary.h | 43 +++++++++++++++++--------------------------
 2 files changed, 22 insertions(+), 26 deletions(-)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index f63370b..977b592 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2019-10-24  Martin Liska  <mliska@suse.cz>
+
+	* symbol-summary.h (gt_pch_nx): Mark all functions
+	with gcc_unreachable as we do not expect to be called.
+
 2019-10-24  Richard Biener  <rguenther@suse.de>
 
 	* tree-vect-slp.c (vect_get_and_check_slp_defs): For reduction
diff --git a/gcc/symbol-summary.h b/gcc/symbol-summary.h
index e90d448..7f2e721 100644
--- a/gcc/symbol-summary.h
+++ b/gcc/symbol-summary.h
@@ -295,19 +295,16 @@ gt_ggc_mx(function_summary<T *>* const &summary)
 
 template <typename T>
 void
-gt_pch_nx(function_summary<T *>* const &summary)
+gt_pch_nx (function_summary<T *> *const &)
 {
-  gcc_checking_assert (summary->m_ggc);
-  gt_pch_nx (&summary->m_map);
+  gcc_unreachable ();
 }
 
 template <typename T>
 void
-gt_pch_nx(function_summary<T *>* const& summary, gt_pointer_operator op,
-	  void *cookie)
+gt_pch_nx (function_summary<T *> *const &, gt_pointer_operator, void *)
 {
-  gcc_checking_assert (summary->m_ggc);
-  gt_pch_nx (&summary->m_map, op, cookie);
+  gcc_unreachable ();
 }
 
 /* Help template from std c++11.  */
@@ -538,18 +535,17 @@ gt_ggc_mx (fast_function_summary<T *, va_gc>* const &summary)
 
 template <typename T>
 void
-gt_pch_nx (fast_function_summary<T *, va_gc>* const &summary)
+gt_pch_nx (fast_function_summary<T *, va_gc> *const &)
 {
-  gt_pch_nx (summary->m_vector);
+  gcc_unreachable ();
 }
 
 template <typename T>
 void
-gt_pch_nx (fast_function_summary<T *, va_gc>* const& summary,
-	   gt_pointer_operator op,
-	   void *cookie)
+gt_pch_nx (fast_function_summary<T *, va_gc> *const &, gt_pointer_operator,
+	   void *)
 {
-  gt_pch_nx (summary->m_vector, op, cookie);
+  gcc_unreachable ();
 }
 
 /* Base class for call_summary and fast_call_summary classes.  */
@@ -784,19 +780,16 @@ gt_ggc_mx(call_summary<T *>* const &summary)
 
 template <typename T>
 void
-gt_pch_nx(call_summary<T *>* const &summary)
+gt_pch_nx (call_summary<T *> *const &)
 {
-  gcc_checking_assert (summary->m_ggc);
-  gt_pch_nx (&summary->m_map);
+  gcc_unreachable ();
 }
 
 template <typename T>
 void
-gt_pch_nx(call_summary<T *>* const& summary, gt_pointer_operator op,
-	  void *cookie)
+gt_pch_nx (call_summary<T *> *const &, gt_pointer_operator, void *)
 {
-  gcc_checking_assert (summary->m_ggc);
-  gt_pch_nx (&summary->m_map, op, cookie);
+  gcc_unreachable ();
 }
 
 /* We want to pass just pointer types as argument for fast_call_summary
@@ -994,18 +987,16 @@ gt_ggc_mx (fast_call_summary<T *, va_gc>* const &summary)
 
 template <typename T>
 void
-gt_pch_nx (fast_call_summary<T *, va_gc>* const &summary)
+gt_pch_nx (fast_call_summary<T *, va_gc> *const &)
 {
-  gt_pch_nx (&summary->m_vector);
+  gcc_unreachable ();
 }
 
 template <typename T>
 void
-gt_pch_nx (fast_call_summary<T *, va_gc>* const& summary,
-	   gt_pointer_operator op,
-	   void *cookie)
+gt_pch_nx (fast_call_summary<T *, va_gc> *const &, gt_pointer_operator, void *)
 {
-  gt_pch_nx (&summary->m_vector, op, cookie);
+  gcc_unreachable ();
 }
 
 #endif  /* GCC_SYMBOL_SUMMARY_H  */
-- 
2.7.4