[Bug middle-end/90694] incorrect representation of ADDR_EXPR involving a pointer to array

[msebor at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90694

Martin Sebor <msebor at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |ASSIGNED
   Last reconfirmed|                            |2019-05-31
           Assignee|unassigned at gcc dot gnu.org      |msebor at gcc dot 
gnu.org
     Ever confirmed|0                           |1

--- Comment #1 from Martin Sebor <msebor at gcc dot gnu.org> ---
The following patch adds the missing parentheses:

diff --git a/gcc/tree-pretty-print.c b/gcc/tree-pretty-print.c
index 6645a646617..c1effcddd65 100644
--- a/gcc/tree-pretty-print.c
+++ b/gcc/tree-pretty-print.c
@@ -1676,9 +1676,14 @@ dump_generic_node (pretty_printer *pp, tree node, int
spc, dump_flags_t flags,
          {
            if (TREE_CODE (TREE_OPERAND (node, 0)) != ADDR_EXPR)
              {
+               /* Enclose pointers to arrays in parentheses.  */
+               tree op0 = TREE_OPERAND (node, 0);
+               if (POINTER_TYPE_P (TREE_TYPE (op0)))
+                 pp_left_paren (pp);
                pp_star (pp);
-               dump_generic_node (pp, TREE_OPERAND (node, 0),
-                                  spc, flags, false);
+               dump_generic_node (pp, op0, spc, flags, false);
+               if (POINTER_TYPE_P (TREE_TYPE (op0)))
+                 pp_right_paren (pp);
              }
            else
              dump_generic_node (pp,