Built and regtested on x86-64-gnu-linux.
OK for the trunk?
Tobias
2013-07-01 Tobias Burnus <bur...@net-b.de>
PR fortran/57469
* trans-decl.c (generate_local_decl): Don't warn that
a dummy is unused, when it is in a namelist.
2013-07-01 Tobias Burnus <bur...@net-b.de>
PR fortran/57469
* gfortran.dg/warn_unused_dummy_argument_4.f90: New.
diff --git a/gcc/fortran/trans-decl.c b/gcc/fortran/trans-decl.c
index fc3a725..6a8d98c 100644
--- a/gcc/fortran/trans-decl.c
+++ b/gcc/fortran/trans-decl.c
@@ -4726,7 +4726,7 @@ generate_local_decl (gfc_symbol * sym)
gfc_get_symbol_decl (sym);
/* Warnings for unused dummy arguments. */
- else if (sym->attr.dummy)
+ else if (sym->attr.dummy && !sym->attr.in_namelist)
{
/* INTENT(out) dummy arguments are likely meant to be set. */
if (gfc_option.warn_unused_dummy_argument
--- /dev/null 2013-07-01 08:13:35.324165209 +0200
+++ gcc/gcc/testsuite/gfortran.dg/warn_unused_dummy_argument_4.f90 2013-07-01 10:21:47.718455463 +0200
@@ -0,0 +1,16 @@
+! { dg-do compile }
+! { dg-options "-Wall" }
+!
+! PR fortran/57469
+!
+! Contributed by Vladimir Fuka
+!
+! Don't warn for unused dummy arguments when it is used in namelists
+!
+ subroutine read_command_line(line,a,b)
+ character(*),intent(in) :: line
+ intent(inout) :: a,b
+ namelist /cmd/ a,b
+
+ read(line,nml = cmd)
+ end
