From: Jakub Jelinek <jakub@redhat.com>
Date: Wed, 21 Jan 2015 21:53:49 +0000 (+0100)
Subject: re PR sanitizer/64706 (-fsanitize=vptr is not documented)
X-Git-Tag: releases/gcc-5.1.0~1478
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d2632e47fcd996a513420cb95de06940fa640d19;p=thirdparty%2Fgcc.git

re PR sanitizer/64706 (-fsanitize=vptr is not documented)

	PR sanitizer/64706
	* doc/invoke.texi (-fsanitize=vptr): Document.

From-SVN: r219971
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index af86a4d79939..e96a9e156d03 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,8 @@
 2015-01-21  Jakub Jelinek  <jakub@redhat.com>
 
+	PR sanitizer/64706
+	* doc/invoke.texi (-fsanitize=vptr): Document.
+
 	PR rtl-optimization/62078
 	* dse.c: Include cfgcleanup.h.
 	(rest_of_handle_dse): For -fnon-call-exceptions, if DSE removed
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 876e699a6d54..e76821d7e9ff 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -5761,6 +5761,13 @@ This option enables instrumentation of loads from an enum type.  If
 a value outside the range of values for the enum type is loaded,
 a run-time error is issued.
 
+@item -fsanitize=vptr
+@opindex fsanitize=vptr
+
+This option enables instrumentation of C++ member function calls, member
+accesses and some conversions between pointers to base and derived classes,
+to verify the referenced object has the correct dynamic type.
+
 @end table
 
 While @option{-ftrapv} causes traps for signed overflows to be emitted,