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From: "mpolacek at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/110175] [GCC][Crash] GCC Crash on valid code
Date: Thu, 08 Jun 2023 18:05:21 +0000
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X-Bugzilla-Keywords: c++-lambda, diagnostic
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D110175

Marek Polacek <mpolacek at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Assignee|unassigned at gcc dot gnu.org      |mpolacek at gcc dot=
 gnu.org
             Status|UNCONFIRMED                 |ASSIGNED
   Last reconfirmed|                            |2023-06-08
                 CC|                            |mpolacek at gcc dot gnu.org
     Ever confirmed|0                           |1

--- Comment #1 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Confirmed.

--- a/gcc/cp/typeck.cc
+++ b/gcc/cp/typeck.cc
@@ -7561,7 +7561,8 @@ cp_build_unary_op (enum tree_code code, tree xarg, bo=
ol
noconvert,
    /* [depr.volatile.type] "Postfix ++ and -- expressions and
       prefix ++ and -- expressions of volatile-qualified arithmetic
       and pointer types are deprecated."  */
-   if (TREE_THIS_VOLATILE (arg) || CP_TYPE_VOLATILE_P (TREE_TYPE (arg)))
+   if ((TREE_THIS_VOLATILE (arg) || CP_TYPE_VOLATILE_P (TREE_TYPE (arg)))
+       && (complain & tf_warning))
      warning_at (location, OPT_Wvolatile,
              "%qs expression of %<volatile%>-qualified type is "
              "deprecated",
@@ -7592,7 +7593,7 @@ cp_build_unary_op (enum tree_code code, tree xarg, bo=
ol
noconvert,
            return error_mark_node;
          }
        /* Otherwise, [depr.incr.bool] says this is deprecated.  */
-       else
+       else if (complain & tf_warning)
          warning_at (location, OPT_Wdeprecated,
                  "use of an operand of type %qT "
                  "in %<operator++%> is deprecated",=