From bc6050a7b42581f0d4fbbe3f4b38b7ed02239d72 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Thu, 27 Oct 2022 15:52:15 +0200
Subject: Suppress bogus GCC 12 -Wrestrict warning

---
 libbutl/command.cxx | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

(limited to 'libbutl/command.cxx')

diff --git a/libbutl/command.cxx b/libbutl/command.cxx
index 6f8c0f1..2df52dd 100644
--- a/libbutl/command.cxx
+++ b/libbutl/command.cxx
@@ -51,7 +51,7 @@ namespace butl
       //
       if (p == string::npos)
         throw invalid_argument (string ("unmatched substitution character '") +
-                                open + "'");
+                                open + '\'');
 
       if (p == sp)
         throw invalid_argument ("empty substitution variable");
@@ -60,12 +60,12 @@ namespace butl
 
       if (vn.find_first_of (" \t") != string::npos)
         throw invalid_argument ("whitespace in substitution variable '" +
-                                vn + "'");
+                                vn + '\'');
 
       // Find the variable and append its value or fail if it's unknown.
       //
       if (!sc (vn, r))
-        throw invalid_argument ("unknown substitution variable '" + vn + "'");
+        throw invalid_argument ("unknown substitution variable '" + vn + '\'');
     }
 
     // Append the source string tail following the last substitution.
@@ -168,7 +168,7 @@ namespace butl
         catch (const invalid_path& e)
         {
           throw invalid_argument ("invalid stdout redirect file path '" +
-                                  e.path + "'");
+                                  e.path + '\'');
         }
 
         if (redir->empty ())
-- 
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