From: Richard Biener <rguenther@suse.de>
Date: Wed, 15 Mar 2023 07:43:06 +0000 (+0100)
Subject: Fix do_sd_constraint escape special casing
X-Git-Tag: basepoints/gcc-15~10065
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8366e6764e18ca6526d9be87f5bb54ae8339d7f7;p=thirdparty%2Fgcc.git

Fix do_sd_constraint escape special casing

The following fixes the escape special casing to test the proper
variable IDs.

	* tree-ssa-structalias.cc (do_sd_constraint): Fixup escape
	special casing.
---

diff --git a/gcc/tree-ssa-structalias.cc b/gcc/tree-ssa-structalias.cc
index 89027ab573d1..4f350bfbfc03 100644
--- a/gcc/tree-ssa-structalias.cc
+++ b/gcc/tree-ssa-structalias.cc
@@ -1706,7 +1706,7 @@ do_sd_constraint (constraint_graph_t graph, constraint_t c,
 	    flag |= bitmap_ior_into (sol, get_varinfo (t)->solution);
 	  /* Merging the solution from ESCAPED needlessly increases
 	     the set.  Use ESCAPED as representative instead.  */
-	  else if (v->id == escaped_id)
+	  else if (t == find (escaped_id))
 	    flag |= bitmap_set_bit (sol, escaped_id);
 	  else if (v->may_have_pointers
 		   && add_graph_edge (graph, lhs, t))