From: Jan Hubicka <jh@suse.cz>
Date: Wed, 10 Nov 2021 09:25:51 +0000 (+0100)
Subject: Fix modref_tree::remap_params
X-Git-Tag: basepoints/gcc-13~3209
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b406bb901f7e98f7c6d66a240c2eb64b7cd7e615;p=thirdparty%2Fgcc.git

Fix modref_tree::remap_params

gcc/ChangeLog:

	* ipa-modref-tree.h (modref_tree::remap_params): Fix off-by-one error.
---

diff --git a/gcc/ipa-modref-tree.h b/gcc/ipa-modref-tree.h
index be5efcbb68f9..3e213b23d790 100644
--- a/gcc/ipa-modref-tree.h
+++ b/gcc/ipa-modref-tree.h
@@ -1139,7 +1139,7 @@ struct GTY((user)) modref_tree
 	    size_t k;
 	    modref_access_node *access_node;
 	    FOR_EACH_VEC_SAFE_ELT (ref_node->accesses, k, access_node)
-	      if (access_node->parm_index > 0)
+	      if (access_node->parm_index >= 0)
 		{
 		  if (access_node->parm_index < (int)map->length ())
 		    access_node->parm_index = (*map)[access_node->parm_index];