From: Jan Hubicka <jh@suse.cz>
Date: Thu, 4 Nov 2021 16:07:44 +0000 (+0100)
Subject: Workaround ICE in gimple_call_static_chain_flags
X-Git-Tag: basepoints/gcc-13~3399
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d3f7a2fa64f8777cb7eae1b99ff80fbe717095ac;p=thirdparty%2Fgcc.git

Workaround ICE in gimple_call_static_chain_flags

gcc/ChangeLog:

2021-11-04  Jan Hubicka  <hubicka@ucw.cz>

	PR ipa/103058
	* gimple.c (gimple_call_static_chain_flags): Handle case when
	nested function does not bind locally.
---

diff --git a/gcc/gimple.c b/gcc/gimple.c
index 76768c19c8ec..7a578f5113e8 100644
--- a/gcc/gimple.c
+++ b/gcc/gimple.c
@@ -1666,7 +1666,18 @@ gimple_call_static_chain_flags (const gcall *stmt)
 	  int modref_flags = summary->static_chain_flags;
 
 	  /* We have possibly optimized out load.  Be conservative here.  */
-	  gcc_checking_assert (node->binds_to_current_def_p ());
+	  if (!node->binds_to_current_def_p ())
+	    {
+	      if ((modref_flags & EAF_UNUSED) && !(flags & EAF_UNUSED))
+		{
+		  modref_flags &= ~EAF_UNUSED;
+		  modref_flags |= EAF_NOESCAPE;
+		}
+	      if ((modref_flags & EAF_NOREAD) && !(flags & EAF_NOREAD))
+		modref_flags &= ~EAF_NOREAD;
+	      if ((modref_flags & EAF_DIRECT) && !(flags & EAF_DIRECT))
+		modref_flags &= ~EAF_DIRECT;
+	    }
 	  if (dbg_cnt (ipa_mod_ref_pta))
 	    flags |= modref_flags;
 	}