diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 4d6a49c9929..60d76370502 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2006-12-29  Marcin Dalecki  <martin@dalecki.de>
+
+	* doc/invoke.texi: Replace no longer supported -fno-strength-reduce
+	with -fmerge-constants in sample code.
+
 2006-12-28  Kazu Hirata  <kazu@codesourcery.com>
 
 	* Makefile.in (OBJS-common): Remove conflict.o
diff --git a/gcc/doc/install.texi b/gcc/doc/install.texi
index ab2a9f29996..46213e4b250 100644
--- a/gcc/doc/install.texi
+++ b/gcc/doc/install.texi
@@ -1909,12 +1909,12 @@ You can pass multiple options to the testsuite using the
 work outside the makefiles.  For example,
 
 @smallexample
-    make check-g++ RUNTESTFLAGS="--target_board=unix/-O3/-fno-strength-reduce"
+    make check-g++ RUNTESTFLAGS="--target_board=unix/-O3/-fmerge-constants"
 @end smallexample
 
 will run the standard @command{g++} testsuites (``unix'' is the target name
 for a standard native testsuite situation), passing
-@samp{-O3 -fno-strength-reduce} to the compiler on every test, i.e.,
+@samp{-O3 -fmerge-constants} to the compiler on every test, i.e.,
 slashes separate options.
 
 You can run the testsuites multiple times using combinations of options