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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/108880] [11/12/13 Regression] slow compilation with "-fsanitize=undefined"
Date: Wed, 22 Feb 2023 19:50:19 +0000	[thread overview]
Message-ID: <bug-108880-4-tAjoTzm1uQ@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-108880-4@http.gcc.gnu.org/bugzilla/>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108880

--- Comment #10 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Another simple patch is

--- a/gcc/c-family/c-gimplify.cc
+++ b/gcc/c-family/c-gimplify.cc
@@ -516,7 +516,7 @@ c_genericize_control_stmt (tree *stmt_p, int
*walk_subtrees, void *data,
          tree t = tsi_stmt (i);
          if (TREE_CODE (t) != DEBUG_BEGIN_STMT && nondebug_stmts < 2)
        nondebug_stmts++;
-         walk_tree_1 (tsi_stmt_ptr (i), func, data, NULL, lh);
+         walk_tree_without_duplicates_1 (tsi_stmt_ptr (i), func, data, lh);
          if (TREE_CODE (t) != DEBUG_BEGIN_STMT
          && (nondebug_stmts > 1 || TREE_SIDE_EFFECTS (tsi_stmt (i))))
        clear_side_effects = false;

  parent reply	other threads:[~2023-02-22 19:50 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-02-22  6:41 [Bug sanitizer/108880] New: " qrzhang at gatech dot edu
2023-02-22  6:51 ` [Bug sanitizer/108880] [11/12/13 Regression] " pinskia at gcc dot gnu.org
2023-02-22  6:53 ` pinskia at gcc dot gnu.org
2023-02-22  6:54 ` pinskia at gcc dot gnu.org
2023-02-22  7:12 ` pinskia at gcc dot gnu.org
2023-02-22 10:25 ` [Bug c/108880] " rguenth at gcc dot gnu.org
2023-02-22 10:25 ` rguenth at gcc dot gnu.org
2023-02-22 15:41 ` mpolacek at gcc dot gnu.org
2023-02-22 15:51 ` mpolacek at gcc dot gnu.org
2023-02-22 16:16 ` mpolacek at gcc dot gnu.org
2023-02-22 18:24 ` mpolacek at gcc dot gnu.org
2023-02-22 19:46 ` mpolacek at gcc dot gnu.org
2023-02-22 19:48 ` jakub at gcc dot gnu.org
2023-02-22 19:50 ` mpolacek at gcc dot gnu.org [this message]
2023-02-22 20:06 ` jakub at gcc dot gnu.org
2023-02-22 20:14 ` mpolacek at gcc dot gnu.org
2023-02-22 20:46 ` jakub at gcc dot gnu.org
2023-02-22 20:51 ` mpolacek at gcc dot gnu.org
2023-02-22 22:47 ` cvs-commit at gcc dot gnu.org
2023-02-22 22:48 ` [Bug c/108880] [11/12 " mpolacek at gcc dot gnu.org
2023-03-04 18:02 ` cvs-commit at gcc dot gnu.org
2023-03-07 17:45 ` [Bug c/108880] [11 " mpolacek at gcc dot gnu.org

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