From 295258228b461ae1ec71bd52d52759946a83faf4 Mon Sep 17 00:00:00 2001 From: Francois-Xavier Coudert Date: Tue, 8 Nov 2011 08:11:10 +0000 Subject: [PATCH] re PR fortran/50334 (interaction between -Wuninitialized and -finit-*) PR fortran/50334 * invoke.texi (-finit-*): Document interaction with -Wuninitialized. From-SVN: r181150 --- gcc/fortran/ChangeLog | 6 ++++++ gcc/fortran/invoke.texi | 4 ++++ 2 files changed, 10 insertions(+) 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 + + PR fortran/50334 + * invoke.texi (-finit-*): Document interaction with + -Wuninitialized. + 2011-11-07 François-Xavier Coudert 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