* Update to SVN 20121124 (r193776) from the gcc-4_7-branch.

git-svn-id: svn://svn.debian.org/svn/gcccvs/branches/sid/gcc-4.7@6316 6ca36cf4-e1d1-0310-8c6f-e303bb2178ca

1 files changed, 95 insertions, 6 deletions

diff --git a/debian/patches/svn-updates-linaro.diff b/debian/patches/svn-updates-linaro.diff
index 9ff6753..7428717 100644
--- a/debian/patches/svn-updates-linaro.diff
+++ b/debian/patches/svn-updates-linaro.diff
@@ -1,10 +1,10 @@
-# DP: updates from the 4.7 branch upto 20121122 (r193728).
+# DP: updates from the 4.7 branch upto 20121124 (r193776).
 
 last_updated()
 {
 	cat > ${dir}LAST_UPDATED <<EOF
-Thu Nov 22 16:46:02 CET 2012
-Thu Nov 22 15:46:02 UTC 2012 (revision 193728)
+Sat Nov 24 03:26:27 CET 2012
+Sat Nov 24 02:26:27 UTC 2012 (revision 193776)
 EOF
 }
 
@@ -2868,7 +2868,7 @@ Index: gcc/DATESTAMP
 +++ b/src/gcc/DATESTAMP	(revision
 @@ -1 +1 @@
 -20121106
-+20121122
++20121124
 Index: gcc/fold-const.c
 ===================================================================
 --- a/src/gcc/fold-const.c	(revision
@@ -3110,6 +3110,39 @@ Index: gcc/testsuite/gfortran.dg/transfer_class_1.f90
 +  integer :: i
 +  i = transfer(arg, 1)
 +end subroutine
+Index: gcc/testsuite/gfortran.dg/namelist_76.f90
+===================================================================
+--- a/src/gcc/testsuite/gfortran.dg/namelist_76.f90	(revision
++++ b/src/gcc/testsuite/gfortran.dg/namelist_76.f90	(revision
+@@ -0,0 +1,28 @@
++! { dg-do compile }
++!
++! PR 55352: [4.7/4.8 Regression] Erroneous gfortran warning of unused module variable when variable is only used in namelist
++!
++! Contributed by <AstroFloyd@gmail.com>
++
++module data
++  implicit none
++  integer :: a
++end module data
++
++program test
++  use data, only: a
++  implicit none
++  a = 1
++  call write_data()
++end program test
++
++subroutine write_data()
++  use data, only: a
++  implicit none
++  namelist /write_data_list/ a
++  open(unit=10,form='formatted',status='replace',action='write',file='test.dat')
++  write(10, nml=write_data_list)
++  close(10)
++end subroutine write_data
++
++! { dg-final { cleanup-modules "data" } }
 Index: gcc/testsuite/gcc.c-torture/compile/20121107-1.c
 ===================================================================
 --- a/src/gcc/testsuite/gcc.c-torture/compile/20121107-1.c	(revision
@@ -3133,7 +3166,12 @@ Index: gcc/testsuite/ChangeLog
 ===================================================================
 --- a/src/gcc/testsuite/ChangeLog	(revision
 +++ b/src/gcc/testsuite/ChangeLog	(revision
-@@ -1,3 +1,25 @@
+@@ -1,3 +1,30 @@
++2012-11-23  Janus Weil  <janus@gcc.gnu.org>
++
++	PR fortran/55352
++	* gfortran.dg/namelist_76.f90: New.
++
 +2012-11-19  H.J. Lu  <hongjiu.lu@intel.com>
 +
 +	Backported from mainline
@@ -3521,7 +3559,13 @@ Index: gcc/fortran/ChangeLog
 ===================================================================
 --- a/src/gcc/fortran/ChangeLog	(revision
 +++ b/src/gcc/fortran/ChangeLog	(revision
-@@ -1,3 +1,9 @@
+@@ -1,3 +1,15 @@
++2012-11-23  Janus Weil  <janus@gcc.gnu.org>
++
++	PR fortran/55352
++	* trans-decl.c (generate_local_decl): Don't warn for explicitly imported
++	but unused module variables which are in a namelist or common block.
++
 +2012-11-06  Janus Weil  <janus@gcc.gnu.org>
 +
 +	PR fortran/54917
@@ -3531,6 +3575,51 @@ Index: gcc/fortran/ChangeLog
  2012-10-14  Janus Weil  <janus@gcc.gnu.org>
  
  	PR fortran/54784
+Index: gcc/fortran/trans-decl.c
+===================================================================
+--- a/src/gcc/fortran/trans-decl.c	(revision
++++ b/src/gcc/fortran/trans-decl.c	(revision
+@@ -4586,23 +4586,26 @@
+ 	}
+ 
+       /* Warn for unused variables, but not if they're inside a common
+-	 block, a namelist, or are use-associated.  */
++	 block or a namelist.  */
+       else if (warn_unused_variable
+-	       && !(sym->attr.in_common || sym->attr.use_assoc || sym->mark
+-		    || sym->attr.in_namelist))
++	       && !(sym->attr.in_common || sym->mark || sym->attr.in_namelist))
+ 	{
+-	  gfc_warning ("Unused variable '%s' declared at %L", sym->name,
+-		       &sym->declared_at);
+-	  if (sym->backend_decl != NULL_TREE)
+-	    TREE_NO_WARNING(sym->backend_decl) = 1;
++	  if (sym->attr.use_only)
++	    {
++	      gfc_warning ("Unused module variable '%s' which has been "
++			   "explicitly imported at %L", sym->name,
++			   &sym->declared_at);
++	      if (sym->backend_decl != NULL_TREE)
++		TREE_NO_WARNING(sym->backend_decl) = 1;
++	    }
++	  else if (!sym->attr.use_assoc)
++	    {
++	      gfc_warning ("Unused variable '%s' declared at %L",
++			   sym->name, &sym->declared_at);
++	      if (sym->backend_decl != NULL_TREE)
++		TREE_NO_WARNING(sym->backend_decl) = 1;
++	    }
+ 	}
+-      else if (warn_unused_variable && sym->attr.use_only)
+-	{
+-	  gfc_warning ("Unused module variable '%s' which has been explicitly "
+-		       "imported at %L", sym->name, &sym->declared_at);
+-	  if (sym->backend_decl != NULL_TREE)
+-	    TREE_NO_WARNING(sym->backend_decl) = 1;
+-	}
+ 
+       /* For variable length CHARACTER parameters, the PARM_DECL already
+ 	 references the length variable, so force gfc_get_symbol_decl
 Index: gcc/fortran/target-memory.c
 ===================================================================
 --- a/src/gcc/fortran/target-memory.c	(revision