From: Jan Hubicka <jh@suse.cz>
Date: Mon, 1 Mar 2021 13:36:11 +0000 (+0100)
Subject: Fix ICE in compute_fn_summary
X-Git-Tag: releases/gcc-10.3.0~263
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=62125ef043e19c58780bc06d0e2f2221bbbf28f6;p=thirdparty%2Fgcc.git

Fix ICE in compute_fn_summary

	PR ipa/98338
	* ipa-fnsummary.c (compute_fn_summary): Fix sanity check.

(cherry picked from commit 150bde36c119eff4b8a74667c9d728d6a8a5e8a1)
---

diff --git a/gcc/ipa-fnsummary.c b/gcc/ipa-fnsummary.c
index e07c9b3bba01..1105f6ae5c2c 100644
--- a/gcc/ipa-fnsummary.c
+++ b/gcc/ipa-fnsummary.c
@@ -2986,11 +2986,18 @@ compute_fn_summary (struct cgraph_node *node, bool early)
   info->estimated_stack_size = size_info->estimated_self_stack_size;
 
   /* Code above should compute exactly the same result as
-     ipa_update_overall_fn_summary but because computation happens in
-     different order the roundoff errors result in slight changes.  */
+     ipa_update_overall_fn_summary except for case when speculative
+     edges are present since these are accounted to size but not
+     self_size. Do not compare time since different order the roundoff
+     errors result in slight changes.  */
   ipa_update_overall_fn_summary (node);
-  /* In LTO mode we may have speculative edges set.  */
-  gcc_assert (in_lto_p || size_info->size == size_info->self_size);
+  if (flag_checking)
+    {
+      for (e = node->indirect_calls; e; e = e->next_callee)
+       if (e->speculative)
+	 break;
+      gcc_assert (e || size_info->size == size_info->self_size);
+    }
 }