From: Jonathan Wakely <jwakely@redhat.com>
Date: Wed, 31 Aug 2022 19:36:23 +0000 (+0100)
Subject: testsuite: Fix warning regression due to std::string changes [PR106795]
X-Git-Tag: basepoints/gcc-14~4887
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2dbe2801df3010c5549a3ca958194aa77737122d;p=thirdparty%2Fgcc.git

testsuite: Fix warning regression due to std::string changes [PR106795]

std::string now has [[nodiscard]] attributes on most members, causing
-Wunused-result warnings for this test.

gcc/testsuite/ChangeLog:

	PR testsuite/106795
	* g++.dg/tree-ssa/empty-loop.C: Use -Wno-unused-result.
---

diff --git a/gcc/testsuite/g++.dg/tree-ssa/empty-loop.C b/gcc/testsuite/g++.dg/tree-ssa/empty-loop.C
index 6b1e879e6a98..dca7868f3c96 100644
--- a/gcc/testsuite/g++.dg/tree-ssa/empty-loop.C
+++ b/gcc/testsuite/g++.dg/tree-ssa/empty-loop.C
@@ -1,5 +1,5 @@
 /* { dg-do compile } */
-/* { dg-options "-O2 -fdump-tree-cddce2 -ffinite-loops" } */
+/* { dg-options "-O2 -fdump-tree-cddce2 -ffinite-loops -Wno-unused-result" } */
 
 #include <string>
 #include <vector>