From: Owen Avery <powerboat9.gamer@gmail.com>
Date: Tue, 12 Sep 2023 16:52:25 +0000 (-0400)
Subject: gccrs: Memoize Backend::wchar_type
X-Git-Tag: basepoints/gcc-15~2125
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a05079fa6c7ef8a7d11f988164367f8a3588d0e9;p=thirdparty%2Fgcc.git

gccrs: Memoize Backend::wchar_type

gcc/rust/ChangeLog:

	* rust-gcc.cc
	(Backend::wchar_type): Store static wchar tree.

Signed-off-by: Owen Avery <powerboat9.gamer@gmail.com>
---

diff --git a/gcc/rust/rust-gcc.cc b/gcc/rust/rust-gcc.cc
index be6e4ae5498f..73c966a3320c 100644
--- a/gcc/rust/rust-gcc.cc
+++ b/gcc/rust/rust-gcc.cc
@@ -345,8 +345,14 @@ get_identifier_node (const std::string &str)
 tree
 wchar_type ()
 {
-  tree wchar = make_unsigned_type (32);
-  TYPE_STRING_FLAG (wchar) = 1;
+  static tree wchar;
+
+  if (wchar == NULL_TREE)
+    {
+      wchar = make_unsigned_type (32);
+      TYPE_STRING_FLAG (wchar) = 1;
+    }
+
   return wchar;
 }