From: Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
Date: Tue, 8 Nov 2011 08:11:10 +0000 (+0000)
Subject: re PR fortran/50334 (interaction between -Wuninitialized and -finit-*)
X-Git-Tag: releases/gcc-4.7.0~2364
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=295258228b461ae1ec71bd52d52759946a83faf4;p=thirdparty%2Fgcc.git

re PR fortran/50334 (interaction between -Wuninitialized and -finit-*)

	PR fortran/50334
	* invoke.texi (-finit-*): Document interaction with
	-Wuninitialized.

From-SVN: r181150
---

diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index 0238c30f197a..4ae0e5b350a5 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,9 @@
+2011-11-08  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
+
+	PR fortran/50334
+	* invoke.texi (-finit-*): Document interaction with
+	-Wuninitialized.
+
 2011-11-07  François-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 
 	PR libfortran/49188
diff --git a/gcc/fortran/invoke.texi b/gcc/fortran/invoke.texi
index 7808c52ec735..7337f9279bac 100644
--- a/gcc/fortran/invoke.texi
+++ b/gcc/fortran/invoke.texi
@@ -1482,6 +1482,10 @@ use @option{-finit-real=snan}; note, however, that compile-time
 optimizations may convert them into quiet NaN and that trapping
 needs to be enabled (e.g. via @option{-ffpe-trap}).
 
+Finally, note that enabling any of the @option{-finit-*} options will
+silence warnings that would have been emitted by @option{-Wuninitialized}
+for the affected local variables.
+
 @item -falign-commons
 @opindex @code{falign-commons}
 @cindex alignment of @code{COMMON} blocks