2017-01-06  Nathan Sidwell  <nathan@acm.org>

	gcc/
	* ipa-visibility.c (function_and_variable_visibility): Reformat
	comments and long lines.  Remove extrneous if.
	* symtab.c (symtab_node::make_decl_local): Fix code format.
	(symtab_node::set_section_for_node): Fix comment typo.

	gcc/lto/
	* lto-partition.c (lto_balanced_map): Reformat/respell comment.
	(may_need_named_section_p): Likewise.
	(rename_statics): Likewise.
	(lto_promote_cross_file_statics): Likewise.

Index: ipa-visibility.c
===================================================================
--- ipa-visibility.c	(revision 244151)
+++ ipa-visibility.c	(working copy)
@@ -553,9 +553,9 @@ function_and_variable_visibility (bool w
 	  DECL_STATIC_DESTRUCTOR (node->decl) = 0;
 	}
 
-      /* Frontends and alias code marks nodes as needed before parsing is finished.
-	 We may end up marking as node external nodes where this flag is meaningless
-	 strip it.  */
+      /* Frontends and alias code marks nodes as needed before parsing
+	 is finished.  We may end up marking as node external nodes
+	 where this flag is meaningless strip it.  */
       if (DECL_EXTERNAL (node->decl) || !node->definition)
 	{
 	  node->force_output = 0;
@@ -609,35 +609,36 @@ function_and_variable_visibility (bool w
 	{
 	  gcc_assert (whole_program || in_lto_p
 		      || !TREE_PUBLIC (node->decl));
-	  node->unique_name |= ((node->resolution == LDPR_PREVAILING_DEF_IRONLY
-				 || node->resolution == LDPR_PREVAILING_DEF_IRONLY_EXP)
-				&& TREE_PUBLIC (node->decl)
-				&& !flag_incremental_link);
+	  node->unique_name
+	    |= ((node->resolution == LDPR_PREVAILING_DEF_IRONLY
+		 || node->resolution == LDPR_PREVAILING_DEF_IRONLY_EXP)
+		&& TREE_PUBLIC (node->decl)
+		&& !flag_incremental_link);
 	  node->resolution = LDPR_PREVAILING_DEF_IRONLY;
 	  if (node->same_comdat_group && TREE_PUBLIC (node->decl))
 	    {
 	      symtab_node *next = node;
 
 	      /* Set all members of comdat group local.  */
-	      if (node->same_comdat_group)
-		for (next = node->same_comdat_group;
-		     next != node;
-		     next = next->same_comdat_group)
+	      for (next = node->same_comdat_group;
+		   next != node;
+		   next = next->same_comdat_group)
 		{
 		  next->set_comdat_group (NULL);
 		  if (!next->alias)
 		    next->set_section (NULL);
 		  if (!next->transparent_alias)
 		    next->make_decl_local ();
-		  next->unique_name |= ((next->resolution == LDPR_PREVAILING_DEF_IRONLY
-					 || next->resolution == LDPR_PREVAILING_DEF_IRONLY_EXP)
-				        && TREE_PUBLIC (next->decl)
-					&& !flag_incremental_link);
+		  next->unique_name
+		    |= ((next->resolution == LDPR_PREVAILING_DEF_IRONLY
+			 || next->resolution == LDPR_PREVAILING_DEF_IRONLY_EXP)
+			&& TREE_PUBLIC (next->decl)
+			&& !flag_incremental_link);
 		}
-	      /* cgraph_externally_visible_p has already checked all other nodes
-	         in the group and they will all be made local.  We need to
-	         dissolve the group at once so that the predicate does not
-	         segfault though. */
+	      /* cgraph_externally_visible_p has already checked all
+	         other nodes in the group and they will all be made
+	         local.  We need to dissolve the group at once so that
+	         the predicate does not segfault though. */
 	      node->dissolve_same_comdat_group_list ();
 	    }
 	  if (TREE_PUBLIC (node->decl))
Index: lto/lto-partition.c
===================================================================
--- lto/lto-partition.c	(revision 244151)
+++ lto/lto-partition.c	(working copy)
@@ -668,8 +668,9 @@ lto_balanced_map (int n_lto_partitions,
 
 		vnode = dyn_cast <varpool_node *> (ref->referring);
 		gcc_assert (vnode->definition);
-		/* It is better to couple variables with their users, because it allows them
-		   to be removed.  Coupling with objects they refer to only helps to reduce
+		/* It is better to couple variables with their users,
+		   because it allows them to be removed.  Coupling
+		   with objects they refer to only helps to reduce
 		   number of symbols promoted to hidden.  */
 		if (!symbol_partitioned_p (vnode) && flag_toplevel_reorder
 		    && !vnode->no_reorder
@@ -1008,10 +1009,11 @@ promote_symbol (symtab_node *node)
 	    "Promoting as hidden: %s\n", node->name ());
 }
 
-/* Return true if NODE needs named section even if it won't land in the partition
-   symbol table.
-   FIXME: we should really not use named sections for inline clones and master
-   clones.  */
+/* Return true if NODE needs named section even if it won't land in
+   the partition symbol table.
+
+   FIXME: we should really not use named sections for inline clones
+   and master clones.  */
 
 static bool
 may_need_named_section_p (lto_symtab_encoder_t encoder, symtab_node *node)
@@ -1089,7 +1091,8 @@ rename_statics (lto_symtab_encoder_t enc
 	    || lto_symtab_encoder_lookup (encoder, s) != LCC_NOT_FOUND))
       {
         if (privatize_symbol_name (s))
-	  /* Re-start from beginning since we do not know how many symbols changed a name.  */
+	  /* Re-start from beginning since we do not know how many
+	     symbols changed a name.  */
 	  s = symtab_node::get_for_asmname (name);
         else s = s->next_sharing_asm_name;
       }
@@ -1130,8 +1133,8 @@ lto_promote_cross_file_statics (void)
         {
           symtab_node *node = lsei_node (lsei);
 
-	  /* If symbol is static, rename it if its assembler name clash with
-	     anything else in this unit.  */
+	  /* If symbol is static, rename it if its assembler name
+	     clashes with anything else in this unit.  */
 	  rename_statics (encoder, node);
 
 	  /* No need to promote if symbol already is externally visible ... */
@@ -1139,7 +1142,7 @@ lto_promote_cross_file_statics (void)
  	      /* ... or if it is part of current partition ... */
 	      || lto_symtab_encoder_in_partition_p (encoder, node)
 	      /* ... or if we do not partition it. This mean that it will
-		 appear in every partition refernecing it.  */
+		 appear in every partition referencing it.  */
 	      || node->get_partitioning_class () != SYMBOL_PARTITION)
 	    {
 	      validize_symbol_for_target (node);
Index: symtab.c
===================================================================
--- symtab.c	(revision 244151)
+++ symtab.c	(working copy)
@@ -1259,7 +1259,8 @@ symtab_node::make_decl_local (void)
       TREE_ADDRESSABLE (decl) = 1;
       TREE_STATIC (decl) = 1;
     }
-  else gcc_assert (TREE_CODE (decl) == FUNCTION_DECL);
+  else
+    gcc_assert (TREE_CODE (decl) == FUNCTION_DECL);
 
   DECL_COMDAT (decl) = 0;
   DECL_WEAK (decl) = 0;
@@ -1439,7 +1440,7 @@ symtab_node::fixup_same_cpp_alias_visibi
 }
 
 /* Set section, do not recurse into aliases.
-   When one wants to change section of symbol and its aliases,
+   When one wants to change section of a symbol and its aliases,
    use set_section.  */
 
 void
