From: Martin Liska <mliska@suse.cz>
Date: Tue, 31 Jul 2018 10:32:13 +0000 (+0200)
Subject: Fix an UBSAN error in cp/parse.c (PR c++/86653).
X-Git-Tag: basepoints/gcc-10~5063
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5dbc3940fcd15ff477eb556630734017dd2b0cff;p=thirdparty%2Fgcc.git

Fix an UBSAN error in cp/parse.c (PR c++/86653).

2018-07-31  Martin Liska  <mliska@suse.cz>

        PR c++/86653
	* parser.c (cp_parser_condition): Initialize non_constant_p
        to false.

From-SVN: r263110
---

diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index d3b3cc2be6c2..128360794e8b 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,9 @@
+2018-07-31  Martin Liska  <mliska@suse.cz>
+
+        PR c++/86653
+	* parser.c (cp_parser_condition): Initialize non_constant_p
+        to false.
+
 2018-07-28  David Malcolm  <dmalcolm@redhat.com>
 
 	* error.c (cp_printer): In the leading comment, move "%H" and "%I"
diff --git a/gcc/cp/parser.c b/gcc/cp/parser.c
index d44a6b880288..93c812f80d73 100644
--- a/gcc/cp/parser.c
+++ b/gcc/cp/parser.c
@@ -11721,7 +11721,7 @@ cp_parser_condition (cp_parser* parser)
       if (cp_parser_parse_definitely (parser))
 	{
 	  tree pushed_scope;
-	  bool non_constant_p;
+	  bool non_constant_p = false;
 	  int flags = LOOKUP_ONLYCONVERTING;
 
 	  if (!cp_parser_check_condition_declarator (parser, declarator, loc))