From: Tom de Vries <tdevries@suse.de>
Date: Tue, 8 Aug 2023 22:58:29 +0000 (+0200)
Subject: [gdb/build] Use move capture in gdb_demangle
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=7570a17cbbe647db6260ae2391f92c0509de7924;p=binutils-gdb.git

[gdb/build] Use move capture in gdb_demangle

Use move capture in gdb_demangle when compiling for c++14 or higher, to save a
std::string copy.

Tested on x86_64-linux.

Reported-By: Tom Tromey <tom@tromey.com>
Approved-By: Tom Tromey <tom@tromey.com>
---

diff --git a/gdb/cp-support.c b/gdb/cp-support.c
index 2fb9d9ef0b2..0300727434d 100644
--- a/gdb/cp-support.c
+++ b/gdb/cp-support.c
@@ -1656,7 +1656,13 @@ gdb_demangle (const char *name, int options)
 	     we might be in a background thread.  Instead, arrange for
 	     the reporting to happen on the main thread.  */
 	  std::string copy = name;
-	  run_on_main_thread ([=] ()
+	  run_on_main_thread ([
+#if __cplusplus >= 201402L
+			       =, copy = std::move (copy)
+#else
+			       =
+#endif
+			       ] ()
 	    {
 	      report_failed_demangle (copy.c_str (), core_dump_allowed,
 				      crash_signal);